1QE6

INTERLEUKIN-8 WITH AN ADDED DISULFIDE BETWEEN RESIDUES 5 AND 33 (L5C/H33C)

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1qe6a_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Interleukin-8, IL-8	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d1qe6b_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Interleukin-8, IL-8	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d1qe6c_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Interleukin-8, IL-8	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d1qe6d_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	Interleukin 8-like chemokines	Interleukin-8, IL-8	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Interleukin 8-like chemokines	8034249	3001955	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Interleukin 8-like chemokines	8034249	3001955	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Interleukin 8-like chemokines	8034249	3001955	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Interleukin 8-like chemokines	8034249	3001955	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	IL8_1	e1qe6A1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: IL8_1	ECOD (1.6)
B	IL8_1	e1qe6B1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: IL8_1	ECOD (1.6)
C	IL8_1	e1qe6C1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: IL8_1	ECOD (1.6)
D	IL8_1	e1qe6D1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: IL8_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00048	Small cytokines (intecrine/chemokine), interleukin-8 like (IL8)	Small cytokines (intecrine/chemokine), interleukin-8 like	Includes a number of secreted growth factors and interferons involved in mitogenic, chemotactic, and inflammatory activity. Structure contains two highly conserved disulfide bonds.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	INTERLEUKIN-8 VARIANT	binding molecular function activator activity signaling receptor binding G protein-coupled receptor binding signaling receptor activator activity protein binding cytokine receptor binding chemokine activity molecular function regulator activity cytokine activity signaling receptor regulator activity chemokine receptor binding receptor ligand activity CXCR chemokine receptor binding binding molecular function activator activity signaling receptor binding G protein-coupled receptor binding signaling receptor activator activity protein binding cytokine receptor binding chemokine activity molecular function regulator activity cytokine activity signaling receptor regulator activity chemokine receptor binding receptor ligand activity CXCR chemokine receptor binding heparin binding glycosaminoglycan binding carbohydrate derivative binding sulfur compound binding interleukin-8 receptor binding	regulation of biological process cell adhesion regulation of cellular process regulation of cell adhesion biological regulation cellular process positive chemotaxis chemotaxis positive regulation of locomotion response to stimulus regulation of response to external stimulus positive regulation of positive chemotaxis positive regulation of biological process response to external stimulus regulation of biological process cell adhesion regulation of cellular process regulation of cell adhesion biological regulation cellular process positive chemotaxis chemotaxis positive regulation of locomotion response to stimulus regulation of response to external stimulus positive regulation of positive chemotaxis positive regulation of biological process response to external stimulus induction of positive chemotaxis regulation of chemotaxis positive regulation of chemotaxis positive regulation of response to stimulus regulation of positive chemotaxis positive regulation of response to external stimulus taxis regulation of response to stimulus response to chemical regulation of locomotion locomotion localization import into cell receptor internalization transport receptor-mediated endocytosis endocytosis establishment of localization vesicle-mediated transport developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development multicellular organism development anatomical structure morphogenesis tube morphogenesis anatomical structure development anatomical structure formation involved in morphogenesis blood vessel development system development cellular biosynthetic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process positive regulation of cellular process regulation of biosynthetic process cellular metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of cellular biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression regulation of macromolecule biosynthetic process metabolic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process digestive system development animal organ development embryo development digestive tract development embryonic organ development embryonic digestive tract development neutrophil activation immune system process cell activation myeloid leukocyte activation granulocyte activation leukocyte activation cell chemotaxis cellular response to stimulus neutrophil chemotaxis neutrophil migration granulocyte migration leukocyte migration cellular response to chemical stimulus granulocyte chemotaxis myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis biological process involved in interspecies interaction between organisms entry of bacterium into host cell regulation of entry of bacterium into host cell symbiont entry into host modulation by symbiont of entry into host biological process involved in interaction with host biological process involved in symbiotic interaction regulation of biological process involved in symbiotic interaction cell surface receptor signaling pathway signaling response to cytokine response to chemokine cytokine-mediated signaling pathway cellular response to chemokine chemokine-mediated signaling pathway cell communication response to peptide G protein-coupled receptor signaling pathway cellular response to cytokine stimulus signal transduction response to lipid response to other organism cellular response to lipopolysaccharide response to oxygen-containing compound cellular response to molecule of bacterial origin response to lipopolysaccharide cellular response to oxygen-containing compound response to biotic stimulus cellular response to biotic stimulus response to bacterium cellular response to lipid response to external biotic stimulus response to molecule of bacterial origin regulation of cell motility positive regulation of cell migration positive regulation of neutrophil chemotaxis regulation of immune system process positive regulation of immune system process regulation of leukocyte chemotaxis regulation of leukocyte migration positive regulation of leukocyte chemotaxis positive regulation of granulocyte chemotaxis regulation of neutrophil chemotaxis regulation of neutrophil migration regulation of granulocyte chemotaxis positive regulation of cell motility regulation of cell migration positive regulation of leukocyte migration positive regulation of neutrophil migration intracellular signal transduction calcium-mediated signaling intracellular signaling cassette response to fibroblast growth factor cellular response to endogenous stimulus cellular response to growth factor stimulus response to endogenous stimulus response to growth factor cellular response to fibroblast growth factor stimulus regulation of cell adhesion molecule production negative regulation of cellular process negative regulation of biological process negative regulation of cell adhesion molecule production cell adhesion molecule production cellular response to tumor necrosis factor response to tumor necrosis factor negative regulation of cell population proliferation cell population proliferation regulation of cell population proliferation regulation of developmental process regulation of vasculature development positive regulation of developmental process regulation of multicellular organismal process regulation of anatomical structure morphogenesis regulation of multicellular organismal development positive regulation of angiogenesis positive regulation of vasculature development regulation of angiogenesis positive regulation of multicellular organismal process humoral immune response defense response immune response defense response to symbiont antimicrobial humoral response antimicrobial humoral immune response mediated by antimicrobial peptide defense response to other organism response to stress inflammatory response regulation of signaling negative regulation of signaling negative regulation of response to stimulus regulation of signal transduction negative regulation of signal transduction negative regulation of G protein-coupled receptor signaling pathway negative regulation of cell communication regulation of cell communication regulation of G protein-coupled receptor signaling pathway regulation of single stranded viral RNA replication via double stranded DNA intermediate RNA metabolic process viral life cycle regulation of primary metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process regulation of RNA metabolic process viral RNA genome replication viral process regulation of nucleobase-containing compound metabolic process regulation of RNA biosynthetic process primary metabolic process nucleobase-containing compound biosynthetic process single stranded viral RNA replication via double stranded DNA intermediate nucleic acid metabolic process regulation of viral life cycle regulation of viral process viral genome replication regulation of viral genome replication negative regulation of cellular metabolic process negative regulation of macromolecule metabolic process negative regulation of metabolic process negative regulation of cellular biosynthetic process negative regulation of gene expression negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process cellular response to interleukin-1 response to interleukin-1 cellular response to stress response to endoplasmic reticulum stress	extracellular region cellular anatomical entity extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001811	Chemokine interleukin-8-like domain	Domain
A, B, C, D	IPR036048	Chemokine interleukin-8-like superfamily	Homologous Superfamily
A, B, C, D	IPR001089	CXC chemokine	Family
A, B, C, D	IPR039809	Chemokine beta/gamma/delta	Family
A, B, C, D	IPR033899	CXC Chemokine domain	Domain
A, B, C, D	IPR018048	CXC chemokine, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: P10145	rheumatoid arthritis Barrett esophagus ulcerative colitis glioblastoma malignant mesothelioma bullous pemphigoid Fever squamous cell carcinoma Down syndrome psoriatic arthritis keratitis Wilson disease glomerulonephritis heart disease hepatocellular carcinoma rheumatoid arthritis Barrett esophagus ulcerative colitis glioblastoma malignant mesothelioma bullous pemphigoid Fever squamous cell carcinoma Down syndrome psoriatic arthritis keratitis Wilson disease glomerulonephritis heart disease hepatocellular carcinoma thyroid gland carcinoma pulmonary fibrosis nicotine dependence adenocarcinoma intermediate coronary syndrome chronic obstructive pulmonary disease giant cell glioblastoma streptococcal pneumonia cutaneous leishmaniasis Behcet disease thyroid adenoma breast carcinoma pulmonary hypertension tubular adenocarcinoma visceral leishmaniasis colorectal cancer granular cell carcinoma peptic esophagitis cystic fibrosis bipolar disorder malignant pancreatic neoplasm prostate cancer endometrial carcinoma non-small cell lung carcinoma cholestasis urinary bladder cancer gastric cancer ovarian cancer gastroesophageal reflux disease periodontitis autoimmune disease delirium digestive system disease pneumonia thrombotic disease postherpetic neuralgia breast cancer MALT lymphoma hypertensive disorder actinic keratosis tuberculosis obesity disorder fatty liver disease adrenal cortex adenoma schizophrenia ischemia reperfusion injury urinary bladder neoplasm gastric carcinoma kidney disease ovarian neoplasm pancreatic ductal adenocarcinoma gout ankylosing spondylitis lung carcinoma COVID-19 patent ductus arteriosus head and neck cancer atherosclerosis malignant ependymoma pilocytic astrocytoma B-cell chronic lymphocytic leukemia tendinitis hereditary diffuse gastric adenocarcinoma ductal breast carcinoma in situ endometrial cancer psoriasis idiopathic interstitial pneumonia bursitis esophageal adenocarcinoma acute myeloid leukemia influenza cancer interstitial cystitis cerebrovascular disorder oral submucous fibrosis adult acute respiratory distress syndrome juvenile idiopathic arthritis gastric neoplasm Sjogren syndrome congestive heart failure pancreatic neoplasm arthritic joint disease staphylococcus aureus infection lymphatic system disease cribriform carcinoma atypical teratoid rhabdoid tumor synovitis malignant glioma depressive disorder pituitary cancer tenosynovitis thyroid cancer inborn carbohydrate metabolic disorder myocardial infarction eye disease type 2 diabetes mellitus salmonella infections, animal interstitial lung disease osteoarthritis alcoholic hepatitis allergic disease skin disease leukopenia colorectal carcinoma staphylococcal infection lung cancer coronary artery disease pancreatitis asthma malignant colon neoplasm cribriform carcinoma of breast

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.