Class b: All beta proteins [48724] (174 folds) |
Fold b.1: Immunoglobulin-like beta-sandwich [48725] (28 superfamilies) sandwich; 7 strands in 2 sheets; greek-key some members of the fold have additional strands |
Superfamily b.1.1: Immunoglobulin [48726] (5 families) |
Family b.1.1.2: C1 set domains (antibody constant domain-like) [48942] (24 proteins) |
beta2-microglobulin [88600] (5 species) |
Species Cow (Bos taurus) [TaxId:9913] [48946] (6 PDB entries) |
Species Human (Homo sapiens) [TaxId:9606] [88602] (342 PDB entries) Uniprot P61769 21-119 ! Uniprot P01884 |
Species Mouse (Mus musculus) [TaxId:10090] [88603] (155 PDB entries) Uniprot P01887 |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88601] (6 PDB entries) |
Species Pig (Sus scrofa) [TaxId:9823] [189845] (2 PDB entries) |
CD1, alpha-3 domain [88615] (5 species) |
Species Cow (Bos taurus) [TaxId:9913] [226527] (2 PDB entries) |
Species Human (Homo sapiens), CD1a [TaxId:9606] [101513] (7 PDB entries) |
Species Human (Homo sapiens), CD1b [TaxId:9606] [88617] (4 PDB entries) |
Species Human (Homo sapiens), CD1d [TaxId:9606] [158876] (2 PDB entries) Uniprot P15813 202-295 |
Species Mouse (Mus musculus) [TaxId:10090] [88616] (11 PDB entries) |
Class I MHC homolog, alpha-3 domain [88610] (4 species) gamma, delta T-cell ligand |
Species Human (Homo sapiens), Mic-a [TaxId:9606] [48968] (2 PDB entries) |
Species Human (Homo sapiens), Mic-b [TaxId:9606] [74826] (1 PDB entry) |
Species Mouse (Mus musculus), t10 [TaxId:10090] [101512] (1 PDB entry) |
Species Mouse (Mus musculus), t22 [TaxId:10090] [88611] (2 PDB entries) |
Class I MHC, alpha-3 domain [88604] (4 species) |
Species Human (Homo sapiens) [TaxId:9606] [88605] (186 PDB entries) Uniprot P30685 25-300 ! Uniprot P30443 25-298 # 1A01_HUMAN HLA class I histocompatibility antigen, A-1 alpha chain precursor ! Uniprot P30481 25-300 ! Uniprot P01892 25-298 ! Uniprot P13746 25-299 # 1A11_HUMAN HLA class I histocompatibility antigen, A-11 alpha chain precursor |
Species Mouse (Mus musculus) [TaxId:10090] [88606] (101 PDB entries) Uniprot P01901 22-299 |
Species Norway rat (Rattus norvegicus), RT1-AA [TaxId:10116] [88607] (3 PDB entries) |
Species Rhesus monkey (Macaca mulatta) [TaxId:9544] [158875] (1 PDB entry) |
Class II MHC alpha chain, C-terminal domain [88618] (6 species) |
Species Human (Homo sapiens), HLA-DM [TaxId:9606] [88619] (1 PDB entry) probably orthologous to the mouse H2-DM |
Species Human (Homo sapiens), HLA-DQ group [TaxId:9606] [88623] (3 PDB entries) probably orthologous to the mouse I-A group |
Species Human (Homo sapiens), HLA-DR group [TaxId:9606] [88621] (37 PDB entries) Uniprot P01903 28-207 probably orthologous to the mouse I-E group |
Species Mouse (Mus musculus), H2-DM [TaxId:10090] [88620] (1 PDB entry) probably orthologous to the human HLA-DM |
Species Mouse (Mus musculus), I-A group [TaxId:10090] [88624] (24 PDB entries) probably orthologous to the human HLA-DQ group |
Species Mouse (Mus musculus), I-E group [TaxId:10090] [88622] (9 PDB entries) probably orthologous to the human HLA-DR group |
Class II MHC beta chain, C-terminal domain [88625] (6 species) |
Species Human (Homo sapiens), HLA-DM [TaxId:9606] [88626] (1 PDB entry) probably orthologous to the mouse H2-DM |
Species Human (Homo sapiens), HLA-DQ group [TaxId:9606] [88630] (3 PDB entries) probably orthologous to the mouse I-A group |
Species Human (Homo sapiens), HLA-DR group [TaxId:9606] [88628] (41 PDB entries) Uniprot P04229 30-219 probably orthologous to the mouse I-E group |
Species Mouse (Mus musculus), H2-DM [TaxId:10090] [88627] (1 PDB entry) probably orthologous to the human HLA-DM |
Species Mouse (Mus musculus), I-A group [TaxId:10090] [88631] (16 PDB entries) probably orthologous to the human HLA-DQ group |
Species Mouse (Mus musculus), I-E group [TaxId:10090] [88629] (9 PDB entries) probably orthologous to the human HLA-DR group |
Fc (IgG) receptor, alpha-3 domain [88612] (2 species) |
Species Human (Homo sapiens) [TaxId:9606] [88614] (1 PDB entry) |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88613] (3 PDB entries) |
Hemochromatosis protein Hfe, alpha-3 domain [88608] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [88609] (2 PDB entries) |
Immunoglobulin heavy chain alpha constant domain 1, CH1-alpha [88580] (1 species) |
Species Mouse (Mus musculus) [TaxId:10090] [88581] (3 PDB entries) |
Immunoglobulin heavy chain alpha constant domain 2, CH2-alpha [89181] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [89182] (2 PDB entries) |
Immunoglobulin heavy chain alpha constant domain 3, CH3-alpha [89183] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [89184] (2 PDB entries) |
Immunoglobulin heavy chain epsilon constant domain 2, CH2-epsilon [88594] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [88595] (2 PDB entries) |
Immunoglobulin heavy chain epsilon constant domain 3, CH3-epsilon [88596] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [88597] (3 PDB entries) |
Immunoglobulin heavy chain epsilon constant domain 4, CH4-epsilon [88598] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [88599] (3 PDB entries) |
Immunoglobulin heavy chain gamma constant domain 1, CH1-gamma [88574] (6 species) |
Species Chinese hamster (Cricetulus griseus) [TaxId:10029] [88579] (1 PDB entry) |
Species Human (Homo sapiens) [TaxId:9606] [88575] (177 PDB entries) including humanized antibodies (chimeric proteins with human constant domains) Uniprot Q6N089 20-243 # 95% sequence identity; natural chimera: antibody heavy chain (Fab HYB3) ! SQ NA # humanized antibody ! Uniprot P01857 # IGHG1_HUMAN Ig gamma-1 chain C region ! SQ NA # engineered antibody |
Species Mouse (Mus musculus) [TaxId:10090] [88576] (414 PDB entries) Uniprot P01864 # GCAB_MOUSE Ig gamma-2A chain C region secreted form (B allele) ! Uniprot P01863 #GCAA_MOUSE Ig gamma-2A chain C region, A allele; 86% sequence identity ! SQ NA # natural chimera; best hits are: Uniprot P01751 (Ig heavy chain V region B1-8/186-2) and Uniprot P01864 (Ig gamma-2A chain C region secreted form) ! Uniprot P01868 # GC1_MOUSE Ig gamma-1 chain C region secreted form ! Uniprot P01864 # GCAB_MOUSE (P01864) Ig gamma-2A chain C region ! Uniprot P01837 # KAC_MOUSE (P01837) Ig kappa chain C region ! Uniprot P01863 # GCAA_MOUSE Ig gamma-2A chain C region, A allele ! SQ NA # part of Fab 28 against HIV-1 RT ! Uniprot P01868 # ! GC1_MOUSE Ig gamma-1 chain C region secreted form |
Species Mouse (Mus musculus), gamma3 [TaxId:10090] [88577] (8 PDB entries) Uniprot P22436 # GC3_MOUSE (P22436) Ig gamma-3 chain C region |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88578] (5 PDB entries) |
Species Synthetic construct [TaxId:32630] [158874] (3 PDB entries) |
Immunoglobulin heavy chain gamma constant domain 2, CH2-gamma [88584] (4 species) |
Species Human (Homo sapiens) [TaxId:9606] [88585] (33 PDB entries) Uniprot P01857 #118-327 ! Uniprot P01857 118-327 # GC1_HUMAN Ig gamma-1 chain C region |
Species Mouse (Mus musculus) [TaxId:10090] [88586] (1 PDB entry) |
Species Mouse (Mus musculus), gamma2 [TaxId:10090] [88587] (1 PDB entry) |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88588] (3 PDB entries) |
Immunoglobulin heavy chain gamma constant domain 3, CH3-gamma [88589] (5 species) |
Species Guinea pig (Cavia porcellus) [TaxId:10141] [49123] (1 PDB entry) |
Species Human (Homo sapiens) [TaxId:9606] [88590] (33 PDB entries) Uniprot P01857 #118-327 ! Uniprot P01857 118-327 # GC1_HUMAN Ig gamma-1 chain C region |
Species Mouse (Mus musculus) [TaxId:10090] [88591] (2 PDB entries) |
Species Mouse (Mus musculus), gamma2 [TaxId:10090] [88592] (1 PDB entry) |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88593] (3 PDB entries) |
Immunoglobulin heavy chain mu constant domain 1, CH1-mu [88582] (1 species) |
Species Human (Homo sapiens) [TaxId:9606] [88583] (7 PDB entries) |
Immunoglobulin light chain kappa constant domain, CL-kappa [88566] (4 species) |
Species Human (Homo sapiens) [TaxId:9606] [88569] (147 PDB entries) including humanized antibodies (chimeric proteins with human constant domains) SQ NA # humanized antibody ! Uniprot P01834 # KAC_HUMAN Ig kappa chain C region ! SQ P01834 # KAC_HUMAN Ig kappa chain C region. ! SQ NA # engineered antibody |
Species Mouse (Mus musculus) [TaxId:10090] [88567] (364 PDB entries) Uniprot P01837# KAC_MOUSE Ig kappa chain C region; 99% sequence identity ! SQ NA # natural chimera; best hits are: Uniprot P01637 (Ig kappa chain V-V region T1) and Uniprot P01837 (Ig kappa chain C region) ! Uniprot P01837 # KAC_MOUSE Ig kappa chain C region ! Uniprot P01837 # KAC_MOUSE (P01837) Ig kappa chain C region ! SQ NA # part of Fab 28 against HIV-1 RT ! Uniprot P01837 # ! KAC_MOUSE Ig kappa chain C region |
Species Norway rat (Rattus norvegicus) [TaxId:10116] [88568] (6 PDB entries) |
Species Synthetic construct [TaxId:32630] [158871] (2 PDB entries) |
Immunoglobulin light chain lambda constant domain, CL-lambda [88570] (3 species) |
Species Chinese hamster (Cricetulus griseus) [TaxId:10029] [88573] (1 PDB entry) |
Species Human (Homo sapiens) [TaxId:9606] [88572] (46 PDB entries) |
Species Mouse (Mus musculus) [TaxId:10090] [88571] (21 PDB entries) Uniprot Q8N355 20-230 # 94% sequence identity; natural chimera: antibody light chain (Fab HYB3) |
Immunomodulatory protein m144, alpha-3 domain [110048] (1 species) |
Species Murine cytomegalovirus [TaxId:10366] [110049] (2 PDB entries) Uniprot Q69G19 27-263 # 95% sequence identity |
T-cell antigen receptor [49125] (7 species) |
Species Human (Homo sapiens), alpha-chain [TaxId:9606] [49127] (20 PDB entries) |
Species Human (Homo sapiens), beta-chain [TaxId:9606] [49129] (31 PDB entries) |
Species Human (Homo sapiens), delta-chain [TaxId:9606] [63662] (2 PDB entries) |
Species Human (Homo sapiens), gamma-chain [TaxId:9606] [63661] (2 PDB entries) |
Species Mouse (Mus musculus) [TaxId:10090] [226194] (2 PDB entries) |
Species Mouse (Mus musculus), alpha-chain [TaxId:10090] [49126] (11 PDB entries) |
Species Mouse (Mus musculus), beta-chain [TaxId:10090] [49128] (15 PDB entries) |
Zinc-alpha-2-glycoprotein, ZAG, alpha-3 domain [48965] (1 species) fat depleting factor related to class I MHC |
Species Human (Homo sapiens) [TaxId:9606] [48966] (7 PDB entries) Uniprot P25311 22-294 |
automated matches [190374] (12 species) not a true protein |
Species Chimpanzee (Pan troglodytes) [TaxId:9598] [226268] (1 PDB entry) |
Species Cow (Bos taurus) [TaxId:9913] [225911] (1 PDB entry) |
Species Escherichia coli [TaxId:562] [224854] (11 PDB entries) |
Species Homo sapiens [TaxId:9606] [225511] (1 PDB entry) |
Species Human (Homo sapiens) [TaxId:9606] [187221] (293 PDB entries) |
Species Mouse (Mus musculus) [TaxId:10090] [224855] (237 PDB entries) |
Species Murinae,homo sapiens [TaxId:39107] [228176] (2 PDB entries) |
Species Mus musculus [TaxId:10090] [226774] (1 PDB entry) |
Species Mus musculus [TaxId:10090] [238130] (4 PDB entries) |
Species Mus musculus, [TaxId:10090] [237991] (4 PDB entries) |
Species Rabbit (Oryctolagus cuniculus) [TaxId:9986] [226687] (1 PDB entry) |
Species Rhesus monkey (Macaca mulatta) [TaxId:9544] [226134] (3 PDB entries) |
Timeline for Family b.1.1.2: C1 set domains (antibody constant domain-like):