7STG

Consequences of HLA single chain trimer mutations on peptide presentation and binding affinity

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

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	PF07686	e7stgB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
BA [auth b]	PF07686	e7stgb1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
D	PF07686	e7stgD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
F	PF07686	e7stgF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
J	PF07686	e7stgJ1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
L	PF07686	e7stgL1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
P	PF07686	e7stgP1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
V	PF07686	e7stgV1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
X	PF07686	e7stgX1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
Z	PF07686	e7stgZ1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
DA [auth d]	PF07686	e7stgd1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
FA [auth f]	PF07686	e7stgf1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
H	PF07686	e7stgH1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
N	PF07686	e7stgN1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
R	PF07686	e7stgR1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
T	PF07686	e7stgT1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07686	ECOD (1.6)
CA [auth c]	PF07654	e7stgc1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
CA [auth c]	PF00129	e7stgc3	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
E	PF07654	e7stgE3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
E	PF00129	e7stgE2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
I	PF07654	e7stgI1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
I	PF00129	e7stgI2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
K	PF07654	e7stgK3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
K	PF00129	e7stgK2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
M	PF07654	e7stgM2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
M	PF00129	e7stgM1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
S	PF07654	e7stgS3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
S	PF00129	e7stgS1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
U	PF07654	e7stgU2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
U	PF00129	e7stgU1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
W	PF07654	e7stgW2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
W	PF00129	e7stgW1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
A	PF07654	e7stgA2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
A	PF00129	e7stgA3	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
AA [auth a]	PF07654	e7stga1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
AA [auth a]	PF00129	e7stga3	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
C	PF07654	e7stgC3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
C	PF00129	e7stgC1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
EA [auth e]	PF07654	e7stge3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
EA [auth e]	PF00129	e7stge2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
G	PF07654	e7stgG3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
G	PF00129	e7stgG2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
O	PF07654	e7stgO3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
O	PF00129	e7stgO2	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
Q	PF07654	e7stgQ3	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
Q	PF00129	e7stgQ1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)
Y	PF07654	e7stgY2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PF07654	ECOD (1.6)
Y	PF00129	e7stgY1	A: a+b two layers	X: MHC antigen-recognition domain (From Topology)	H: MHC antigen-recognition domain (From Topology)	T: MHC antigen-recognition domain	F: PF00129	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
B, BA [auth b], D, DA [auth d], F, B, BA [auth b], D, DA [auth d], F, FA [auth f], H, J, L, N, P, R, T, V, X, Z	Heavy Chain	IGHV1	-	rpa-related protein radx peptide,beta-2-microglobulin,mhcclass i antigen chimera	SAbDab (2024-05-10)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	PF00129	Class I Histocompatibility antigen, domains alpha 1 and 2 (MHC_I)	Class I Histocompatibility antigen, domains alpha 1 and 2	-	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain	-	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	PF17659	Family of unknown function (DUF5521) (DUF5521)	Family of unknown function (DUF5521)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, BA [auth b], D, DA [auth d], F, B, BA [auth b], D, DA [auth d], F, FA [auth f], H, J, L, N, P, R, T, V, X, Z	VHH	-	-	-
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	RPA-related protein RADX peptide,Beta-2-microglobulin,MHC class I antigen chimera	RNA binding binding organic cyclic compound binding nucleic acid binding DNA binding single-stranded DNA binding	antigen processing and presentation immune system process antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of peptide antigen response to stimulus immune response cellular response to stimulus regulation of DNA recombination regulation of cellular process regulation of double-strand break repair regulation of cellular response to stress negative regulation of biological process regulation of primary metabolic process negative regulation of DNA repair antigen processing and presentation immune system process antigen processing and presentation of peptide antigen via MHC class I antigen processing and presentation of peptide antigen response to stimulus immune response cellular response to stimulus regulation of DNA recombination regulation of cellular process regulation of double-strand break repair regulation of cellular response to stress negative regulation of biological process regulation of primary metabolic process negative regulation of DNA repair nucleobase-containing compound metabolic process organic substance metabolic process cellular response to stress response to stress regulation of response to stress negative regulation of double-strand break repair negative regulation of cellular process negative regulation of nucleobase-containing compound metabolic process recombinational repair regulation of nucleobase-containing compound metabolic process negative regulation of double-strand break repair via homologous recombination double-strand break repair via homologous recombination DNA repair negative regulation of macromolecule metabolic process double-strand break repair regulation of biological process negative regulation of response to stimulus negative regulation of metabolic process DNA recombination biological regulation primary metabolic process DNA metabolic process regulation of macromolecule metabolic process nucleic acid metabolic process regulation of DNA repair regulation of double-strand break repair via homologous recombination negative regulation of DNA recombination organic cyclic compound metabolic process DNA damage response regulation of response to stimulus metabolic process cellular process negative regulation of DNA metabolic process macromolecule metabolic process regulation of metabolic process regulation of DNA metabolic process	MHC class I protein complex MHC protein complex cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity extracellular region membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen MHC class I protein complex MHC protein complex cell periphery protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex cellular anatomical entity extracellular region membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen intracellular non-membrane-bounded organelle replication fork chromosome non-membrane-bounded organelle organelle subcompartment lumenal side of endoplasmic reticulum membrane endomembrane system side of membrane lumenal side of membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane intracellular vesicle phagocytic vesicle phagocytic vesicle membrane cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane endocytic vesicle membrane vesicle endocytic vesicle endosome membrane endosome recycling endosome recycling endosome membrane early endosome early endosome membrane cell surface transport vesicle transport vesicle membrane coated vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane coated vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR003597	Immunoglobulin C1-set	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR015707	Beta-2-Microglobulin	Family
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR007110	Immunoglobulin-like domain	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR040893	RPA-related protein RADX	Family
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR012340	Nucleic acid-binding, OB-fold	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR037055	MHC class I-like antigen recognition-like superfamily	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR003597	Immunoglobulin C1-set	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR010579	MHC class I, alpha chain, C-terminal	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR011161	MHC class I-like antigen recognition-like	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR007110	Immunoglobulin-like domain	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR001039	MHC class I alpha chain, alpha1 alpha2 domains	Domain
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, AA [auth a], C, CA [auth c], E, A, AA [auth a], C, CA [auth c], E, EA [auth e], G, I, K, M, O, Q, S, U, W, Y	Pharos: Q6NSI4	acute myeloid leukemia B-cell chronic lymphocytic leukemia interstitial cystitis lung cancer malignant mesothelioma pilocytic astrocytoma tuberculosis alcoholic pancreatitis breast cancer large cell medulloblastoma lung carcinoma ovarian cancer psoriasis atypical teratoid rhabdoid tumor cystic fibrosis acute myeloid leukemia B-cell chronic lymphocytic leukemia interstitial cystitis lung cancer malignant mesothelioma pilocytic astrocytoma tuberculosis alcoholic pancreatitis breast cancer large cell medulloblastoma lung carcinoma ovarian cancer psoriasis atypical teratoid rhabdoid tumor cystic fibrosis lung adenocarcinoma malignant ependymoma Pick disease sinusitis