6WBV

Structure of human ferroportin bound to hepcidin and cobalt in lipid nanodisc

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]	FPN1	e6wbvA1	A: alpha complex topology	X: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	H: Major facilitator superfamily (MFS) general substrate transporter (From Topology)	T: Major facilitator superfamily (MFS) general substrate transporter	F: FPN1	ECOD (1.6)
C [auth L]	C1-set_4	e6wbvL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
C [auth L]	V-set	e6wbvL2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
D [auth H]	V-set_8	e6wbvH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_8	ECOD (1.6)
D [auth H]	C1-set_1	e6wbvH2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth L]	Light Chain	IGKV3	Kappa	solute carrier family 40 member 1	SAbDab (2024-11-15)
D [auth H]	Heavy Chain	IGHV3	-	solute carrier family 40 member 1	SAbDab (2024-11-15)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B]	PF06446	Hepcidin (Hepcidin)	Hepcidin	Hepcidin is a antibacterial and antifungal protein expressed in the liver and is also a signaling molecule in iron metabolism. The hepcidin protein is cysteine-rich and forms a distorted beta-sheet with an unusual disulphide bond found at the turn of ...	Hepcidin is a antibacterial and antifungal protein expressed in the liver and is also a signaling molecule in iron metabolism. The hepcidin protein is cysteine-rich and forms a distorted beta-sheet with an unusual disulphide bond found at the turn of the hairpin [1].	Domain
B [auth A]	PF06963	Ferroportin1 (FPN1) (FPN1)	Ferroportin1 (FPN1)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B]	Hepcidin	cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding hormone activity protein binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity cation binding transition metal ion binding copper ion binding ion binding binding metal ion binding small molecule binding hormone activity protein binding molecular function activator activity signaling receptor binding molecular function regulator activity signaling receptor regulator activity receptor ligand activity signaling receptor activator activity transporter regulator activity	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of macrophage activation multicellular organismal process regulation of biological process positive regulation of macrophage activation intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis regulation of macrophage activation multicellular organismal process regulation of biological process positive regulation of macrophage activation regulation of cellular process regulation of leukocyte activation cell activation biological regulation positive regulation of biological process regulation of cell activation myeloid leukocyte activation leukocyte activation macrophage activation positive regulation of cell activation immune system process positive regulation of leukocyte activation positive regulation of multicellular organismal process cellular process regulation of multicellular organismal process regulation of immune system process positive regulation of immune system process positive regulation of cellular process response to stimulus immune response RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process transcription by RNA polymerase II biosynthetic process metabolic process macromolecule metabolic process regulation of defense response regulation of response to external stimulus negative regulation of inflammatory response defense response negative regulation of response to stimulus negative regulation of biological process response to external stimulus regulation of inflammatory response regulation of response to stimulus response to stress negative regulation of response to external stimulus regulation of response to stress negative regulation of defense response inflammatory response catabolic process protein catabolic process protein metabolic process macromolecule catabolic process multicellular organismal-level iron ion homeostasis multicellular organismal-level homeostasis multicellular organismal-level chemical homeostasis positive regulation of proteasomal protein catabolic process positive regulation of protein metabolic process proteolysis involved in protein catabolic process proteasome-mediated ubiquitin-dependent protein catabolic process regulation of ubiquitin-dependent protein catabolic process regulation of primary metabolic process positive regulation of metabolic process positive regulation of ubiquitin-dependent protein catabolic process regulation of proteolysis regulation of proteolysis involved in protein catabolic process modification-dependent macromolecule catabolic process proteolysis positive regulation of macromolecule metabolic process regulation of protein metabolic process proteasomal protein catabolic process regulation of macromolecule metabolic process regulation of catabolic process positive regulation of protein catabolic process positive regulation of proteolysis involved in protein catabolic process positive regulation of catabolic process regulation of proteasomal ubiquitin-dependent protein catabolic process modification-dependent protein catabolic process positive regulation of proteolysis regulation of proteasomal protein catabolic process positive regulation of proteasomal ubiquitin-dependent protein catabolic process ubiquitin-dependent protein catabolic process regulation of metabolic process regulation of protein catabolic process response to metal ion response to iron ion response to chemical biological process involved in interspecies interaction between organisms response to other organism response to biotic stimulus defense response to bacterium defense response to other organism response to bacterium response to external biotic stimulus localization cellular localization establishment of localization in cell establishment of localization cellular response to stimulus cell surface receptor signaling pathway via STAT cell surface receptor signaling pathway signaling cell communication signal transduction cell surface receptor signaling pathway via JAK-STAT homeostasis of number of cells myeloid cell homeostasis negative regulation of tissue remodeling negative regulation of bone remodeling regulation of bone remodeling tissue homeostasis regulation of tissue remodeling regulation of bone resorption bone resorption negative regulation of bone resorption tissue remodeling bone remodeling anatomical structure homeostasis negative regulation of multicellular organismal process system process regulation of intestinal absorption digestive system process negative regulation of intestinal absorption regulation of system process regulation of digestive system process digestion intestinal absorption negative regulation of digestive system process defense response to fungus response to fungus disruption of cell in another organism disruption of anatomical structure in another organism killing of cells of another organism cell killing transport monoatomic ion transmembrane transport iron ion transport iron ion transmembrane transport inorganic ion transmembrane transport metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport transition metal ion transport monoatomic ion transport monoatomic cation transport regulation of localization negative regulation of monoatomic ion transport negative regulation of iron ion transmembrane transport negative regulation of transport regulation of monoatomic ion transmembrane transport export across plasma membrane negative regulation of transmembrane transport negative regulation of iron export across plasma membrane regulation of iron ion transmembrane transport negative regulation of monoatomic ion transmembrane transport negative regulation of cellular process negative regulation of cation transmembrane transport regulation of metal ion transport negative regulation of iron ion transport regulation of iron export across plasma membrane regulation of transport regulation of monoatomic ion transport regulation of iron ion transport export from cell regulation of transmembrane transport regulation of monoatomic cation transmembrane transport iron ion export across plasma membrane negative regulation of RNA biosynthetic process regulation of RNA metabolic process negative regulation of nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process negative regulation of macromolecule metabolic process regulation of biosynthetic process regulation of transcription by RNA polymerase II negative regulation of DNA-templated transcription negative regulation of transcription by RNA polymerase II negative regulation of metabolic process regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription negative regulation of RNA metabolic process positive regulation of DNA-templated transcription positive regulation of macromolecule biosynthetic process positive regulation of biosynthetic process positive regulation of nucleobase-containing compound metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process positive regulation of RNA biosynthetic process	cellular anatomical structure extracellular region extracellular space membrane-bounded organelle intracellular organelle intracellular anatomical structure organelle nucleus intracellular membrane-bounded organelle
B [auth A]	Solute carrier family 40 member 1	monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity iron ion transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity ferrous iron transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity amide binding binding peptide hormone binding hormone binding monoatomic cation transmembrane transporter activity inorganic molecular entity transmembrane transporter activity iron ion transmembrane transporter activity inorganic cation transmembrane transporter activity monoatomic ion transmembrane transporter activity ferrous iron transmembrane transporter activity transporter activity transition metal ion transmembrane transporter activity metal ion transmembrane transporter activity transmembrane transporter activity amide binding binding peptide hormone binding hormone binding cation binding ion binding metal ion binding small molecule binding identical protein binding protein binding	intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis developmental process immune system development multicellular organismal process spleen development intracellular iron ion homeostasis inorganic ion homeostasis cellular homeostasis chemical homeostasis homeostatic process intracellular monoatomic cation homeostasis monoatomic ion homeostasis intracellular chemical homeostasis monoatomic cation homeostasis intracellular monoatomic ion homeostasis developmental process immune system development multicellular organismal process spleen development animal organ development hematopoietic or lymphoid organ development anatomical structure morphogenesis multicellular organism development spleen trabecula formation immune system process anatomical structure development anatomical structure formation involved in morphogenesis animal organ morphogenesis trabecula formation trabecula morphogenesis system development regulation of biological process regulation of cellular process negative regulation of programmed cell death regulation of apoptotic process biological regulation negative regulation of biological process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of cellular process cellular process apoptotic process programmed cell death RNA metabolic process primary metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process transcription by RNA polymerase II biosynthetic process metabolic process macromolecule metabolic process multicellular organismal-level homeostasis leukocyte homeostasis homeostasis of number of cells lymphocyte homeostasis multicellular organismal-level iron ion homeostasis multicellular organismal-level chemical homeostasis localization cellular localization establishment of localization in cell establishment of localization epithelium development endothelium development tissue development transport monoatomic ion transmembrane transport iron ion transport export from cell iron ion transmembrane transport inorganic ion transmembrane transport export across plasma membrane metal ion transport inorganic cation transmembrane transport transmembrane transport monoatomic cation transmembrane transport transition metal ion transport monoatomic ion transport monoatomic cation transport iron ion export across plasma membrane positive regulation of DNA-templated transcription positive regulation of biological process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process regulation of RNA metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of cellular process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of transcription by RNA polymerase II positive regulation of nucleobase-containing compound metabolic process regulation of macromolecule metabolic process positive regulation of transcription by RNA polymerase II positive regulation of RNA metabolic process regulation of gene expression positive regulation of RNA biosynthetic process regulation of macromolecule biosynthetic process regulation of DNA-templated transcription regulation of metabolic process	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane membrane-bounded organelle nucleus membrane-enclosed lumen cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane basal part of cell basal plasma membrane plasma membrane region basolateral plasma membrane membrane-bounded organelle nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen transport vesicle synapse intracellular vesicle endomembrane system presynapse cytoplasmic vesicle synaptic vesicle cell junction secretory vesicle vesicle exocytic vesicle
C [auth L]	Fab45D8 Light Chain	-	-	-
D [auth H]	Fab45D8 Heavy Chain	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B]	IPR010500	Hepcidin	Family
B [auth A]	IPR036259	MFS transporter superfamily	Homologous Superfamily
B [auth A]	IPR009716	Ferroportin-1	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A [auth B]	Pharos: P81172	hereditary hemochromatosis beta thalassemia hemochromatosis type 2B Wilson disease anemia biliary atresia chronic kidney disease Iron Overload hepatocellular carcinoma iron deficiency anemia large cell medulloblastoma primitive neuroectodermal tumor hemochromatosis type 1 iron metabolism disease kidney cancer hereditary hemochromatosis beta thalassemia hemochromatosis type 2B Wilson disease anemia biliary atresia chronic kidney disease Iron Overload hepatocellular carcinoma iron deficiency anemia large cell medulloblastoma primitive neuroectodermal tumor hemochromatosis type 1 iron metabolism disease kidney cancer X-linked mixed deafness with perilymphatic gusher cystic fibrosis glioblastoma hemochromatosis type 2 hereditary persistence of fetal hemoglobin inborn errors of metabolism kidney neoplasm atypical teratoid rhabdoid tumor medulloblastoma cholestasis thalassemia minor dilated cardiomyopathy hemochromatosis type 2A
B [auth A]	Pharos: Q9NP59	hereditary hemochromatosis hemochromatosis type 4 liver cancer endometriosis Familial apoceruloplasmin deficiency anemia pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia subependymal giant cell astrocytoma gastric carcinoma ulcerative colitis hepatocellular carcinoma aceruloplasminemia inborn errors of metabolism adrenal cortex carcinoma astrocytic tumor hereditary hemochromatosis hemochromatosis type 4 liver cancer endometriosis Familial apoceruloplasmin deficiency anemia pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia subependymal giant cell astrocytoma gastric carcinoma ulcerative colitis hepatocellular carcinoma aceruloplasminemia inborn errors of metabolism adrenal cortex carcinoma astrocytic tumor lung carcinoma breast cancer cholestasis malignant pancreatic neoplasm congestive heart failure non-small cell lung carcinoma dilated cardiomyopathy pancreatic ductal adenocarcinoma pilocytic astrocytoma tuberculosis glioblastoma acute myeloid leukemia African iron overload liver neoplasm autism malignant ependymoma medulloblastoma Crohn disease oligodendroglioma Duchenne muscular dystrophy pancreatic intraductal papillary-mucinous neoplasm exocrine pancreatic carcinoma primitive neuroectodermal tumor gastric cancer type 2 diabetes mellitus adenoma lung adenocarcinoma malignant glioma cystic fibrosis ovarian cancer

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth B], B [auth A]	OPM	Transmembrane	Alpha-helical polytopic	Major Facilitator Superfamily (MFS)	Ferroportin

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A [auth B], B [auth A]	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A [auth B], B [auth A]	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A [auth B], B [auth A]	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Major Facilitator Superfamily (MFS) Transporters	Ferroportin (FPN) Fe²⁺ transporter (SLC40A1), apo protein in nanodisc

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.