Annotations: 9RUF

Cryo-EM structure of the LB_DQB0301_A Fab - HLA-DQB103:01/DQA105:02 human alloantibody-HLA complex

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	MHC antigen-recognition domain	8034484	3000521	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	MHC antigen-recognition domain	8041502	3000521	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Immunoglobulin (Ig) domain-like	8054679	3000071	SCOP2B (2022-06-29)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00969	Class II histocompatibility antigen, beta domain (MHC_II_beta)	Class II histocompatibility antigen, beta domain		Domain
B	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A	PF07654	Immunoglobulin C1-set domain (C1-set)	Immunoglobulin C1-set domain		Domain
A	PF00993	Class II histocompatibility antigen, alpha domain (MHC_II_alpha)	Class II histocompatibility antigen, alpha domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth P]	Peptide, unknown sequence.	-	-	-
D [auth L]	LB_DQB0301_A Light chain	-	-	-
C [auth H]	LB_DQB0301_A Heavy chain	-	-	-
B	HLA class II histocompatibility antigen, DQ beta 1 chain	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity MHC class II receptor activity immune receptor activity	regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process cellular response to stimulus immune response-regulating cell surface receptor signaling pathway regulation of cellular process signaling cell communication immune response-activating signaling pathway immune response-regulating signaling pathway signal transduction cell surface receptor signaling pathway immune response-activating cell surface receptor signaling pathway T cell receptor signaling pathway cellular process antigen receptor-mediated signaling pathway activation of immune response humoral immune response antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen peptide antigen assembly with MHC class II protein complex protein-containing complex organization peptide antigen assembly with MHC protein complex MHC class II protein complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex assembly MHC protein complex assembly cellular component organization or biogenesis multicellular organismal process regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion T cell activation positive regulation of leukocyte activation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of cellular process positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion cell activation regulation of T cell activation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process regulation of lymphocyte activation	cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane intracellular membrane-bounded organelle clathrin-coated endocytic vesicle cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex endosome membrane endosome late endosome membrane endomembrane system late endosome organelle subcompartment lumenal side of endoplasmic reticulum membrane side of membrane lumenal side of membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome Golgi membrane Golgi apparatus Golgi apparatus subcompartment trans-Golgi network membrane trans-Golgi network transport vesicle transport vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane
A	HLA class II histocompatibility antigen, DQ alpha 1 chain	binding antigen binding peptide antigen binding peptide binding protein-containing complex binding MHC protein complex binding MHC class II protein complex binding molecular transducer activity transmembrane signaling receptor activity signaling receptor activity MHC class II receptor activity immune receptor activity	regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation regulation of biological process response to stimulus immune response biological regulation positive regulation of biological process positive regulation of response to stimulus positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process antigen processing and presentation of exogenous peptide antigen via MHC class II antigen processing and presentation antigen processing and presentation of peptide or polysaccharide antigen via MHC class II antigen processing and presentation of peptide antigen via MHC class II antigen processing and presentation of exogenous peptide antigen antigen processing and presentation of peptide antigen antigen processing and presentation of exogenous antigen peptide antigen assembly with MHC class II protein complex protein-containing complex organization peptide antigen assembly with MHC protein complex MHC class II protein complex assembly cellular component organization cellular component biogenesis cellular component assembly protein-containing complex assembly cellular process MHC protein complex assembly cellular component organization or biogenesis multicellular organismal process regulation of cellular process regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell adhesion cell-cell adhesion T cell activation positive regulation of leukocyte activation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of cellular process positive regulation of T cell activation positive regulation of cell adhesion regulation of cell adhesion cell activation regulation of T cell activation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process regulation of lymphocyte activation	cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle cellular anatomical structure membrane membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane clathrin-coated vesicle endocytic vesicle membrane coated vesicle vesicle endocytic vesicle clathrin-coated vesicle membrane clathrin-coated endocytic vesicle membrane intracellular membrane-bounded organelle clathrin-coated endocytic vesicle cytoplasmic vesicle membrane coated vesicle membrane organelle cytoplasm organelle membrane MHC protein complex cell periphery MHC class II protein complex protein-containing complex plasma membrane protein complex plasma membrane membrane protein complex endosome membrane endosome late endosome membrane endomembrane system late endosome organelle subcompartment lumenal side of endoplasmic reticulum membrane side of membrane lumenal side of membrane endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane vacuolar membrane lytic vacuole vacuole lytic vacuole membrane lysosomal membrane lysosome Golgi membrane Golgi apparatus Golgi apparatus subcompartment trans-Golgi network membrane trans-Golgi network transport vesicle transport vesicle membrane COPII-coated ER to Golgi transport vesicle ER to Golgi transport vesicle membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
B	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
B	IPR003597	Immunoglobulin C1-set	Domain
B	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
B	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
B	IPR000353	MHC class II, beta chain, N-terminal	Domain
B	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
B	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
B	IPR007110	Immunoglobulin-like domain	Domain
A	IPR036179	Immunoglobulin-like domain superfamily	Homologous Superfamily
A	IPR050160	Major Histocompatibility Complex/Immunoglobulin	Family
A	IPR003597	Immunoglobulin C1-set	Domain
A	IPR011162	MHC classes I/II-like antigen recognition protein	Homologous Superfamily
A	IPR003006	Immunoglobulin/major histocompatibility complex, conserved site	Conserved Site
A	IPR014745	MHC class II, alpha/beta chain, N-terminal	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR007110	Immunoglobulin-like domain	Domain
A	IPR001003	MHC class II, alpha chain, N-terminal	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B	: P01920	narcolepsy achalasia oropharynx cancer urticaria angioedema celiac disease type 1 diabetes mellitus IgA glomerulonephritis bullous pemphigoid systemic sclerosis megaesophagus Creutzfeldt Jacob disease Drug Eruptions narcolepsy-cataplexy syndrome juvenile idiopathic arthritis narcolepsy achalasia oropharynx cancer urticaria angioedema celiac disease type 1 diabetes mellitus IgA glomerulonephritis bullous pemphigoid systemic sclerosis megaesophagus Creutzfeldt Jacob disease Drug Eruptions narcolepsy-cataplexy syndrome juvenile idiopathic arthritis multiple sclerosis allergic disease asthma ulcerative colitis malignant colon neoplasm diffuse scleroderma narcolepsy without cataplexy ductal breast carcinoma in situ nephrosclerosis alopecia areata glioblastoma astrocytic tumor pancreatic intraductal papillary-mucinous carcinoma pilocytic astrocytoma breast carcinoma inherited Creutzfeldt-Jakob disease rosacea C1 inhibitor deficiency juvenile dermatomyositis subependymal giant cell astrocytoma cerebrovascular disorder large cell medulloblastoma tuberculosis lung carcinoma Crohn disease malignant pancreatic neoplasm multiple sclerosis, susceptibility to 1 drug-induced liver injury acquired metabolic disease esophageal adenocarcinoma ovarian cancer atypical teratoid rhabdoid tumor idiopathic achalasia pancreatic intraductal papillary-mucinous neoplasm pituitary cancer interstitial cystitis schizophrenia limb-girdle muscular dystrophy lymphoplasmacytic lymphoma cystic fibrosis medulloblastoma Duchenne muscular dystrophy neoplasm of oropharynx exocrine pancreatic carcinoma non-small cell lung carcinoma pancreatic ductal adenocarcinoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia autoimmune disease rheumatoid arthritis invasive ductal breast carcinoma Sjogren syndrome celiac disease, susceptibility to, 1 Kleine-Levin syndrome lung cancer
A	: P01909	membranous glomerulonephritis achalasia type 1 diabetes mellitus oropharynx cancer systemic lupus erythematosus celiac disease eosinophilia-myalgia syndrome visceral leishmaniasis pancreatitis ulcerative colitis asthma juvenile idiopathic arthritis narcolepsy B-cell chronic lymphocytic leukemia lung carcinoma membranous glomerulonephritis achalasia type 1 diabetes mellitus oropharynx cancer systemic lupus erythematosus celiac disease eosinophilia-myalgia syndrome visceral leishmaniasis pancreatitis ulcerative colitis asthma juvenile idiopathic arthritis narcolepsy B-cell chronic lymphocytic leukemia lung carcinoma Sjogren syndrome alopecia areata proteinuria dermatitis megaesophagus allergic disease chronic obstructive pulmonary disease Crohn disease lymphoma squamous cell carcinoma Diabetes Mellitus, Insulin-Dependent systemic sclerosis mycobacterium tuberculosis, susceptibility to tuberculosis neoplasm of mature B-cells Hashimoto thyroiditis hepatitis B virus infection neuromyelitis optica allergic rhinitis oral cavity cancer atopic eczema idiopathic achalasia inflammatory bowel disease primary biliary cholangitis celiac disease, susceptibility to, 1 leprosy rheumatoid arthritis colorectal adenoma cutaneous lupus erythematosus malignant glioma squamous cell lung carcinoma metabolic syndrome X Takayasu arteritis Duchenne muscular dystrophy nasal cavity disease vitiligo glioblastoma neoplasm of oropharynx acquired metabolic disease head and neck cancer hepatitis C virus infection non-alcoholic fatty liver disease autism spectrum disorder idiopathic membranous glomerulonephritis pemphigus vulgaris invasive ductal breast carcinoma cervical cancer rosacea colorectal cancer skin basal cell carcinoma myasthenia gravis temporal arteritis endogenous depression myositis eosinophilic granulomatosis with polyangiitis nasopharyngeal disease Graves disease head and neck squamous cell carcinoma nephrotic syndrome hepatocellular carcinoma non-small cell lung carcinoma hypothyroidism ovarian cancer autoimmune disease IgA glomerulonephritis peripheral arterial disease psoriatic arthritis lung cancer sinusitis

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.