Email l.a.kelley@imperial.ac.uk Description A0M8Q6 Date Thu Apr 26 09:16:38 BST 2012 Unique Job ID d0b9711fb78d0575

Detailed template information

# Template Alignment Coverage 3D Model Confidence % i.d. Template Information

1 d2fb4l2 100.0 94 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 2 d1aqkl2 100.0 94 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 3 d1q0xl2 100.0 68 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 4 d1mfbl2 99.9 71 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 5 d1rzfl2 99.9 94 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 6 d1pg7w2 99.9 71 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 7 d1nfde2 99.9 64 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 8 d1bfoa2 99.9 38 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 9 d1kcvl2 99.9 38 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 10 d1mjul2 99.9 40 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 11 d1fp5a2 99.9 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 12 d1c5cl2 99.9 41 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 13 d1kfal2 99.9 36 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 14 d2hmic2 99.9 41 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 15 d1q72l2 99.9 41 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 16 d2arja2 99.9 37 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 17 d1igtb4 99.9 34 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 18 c2h3nD_ 99.9 87 PDB header:immune system Chain: D: PDB Molecule:ig lambda-5; PDBTitle: crystal structure of a surrogate light chain (lambda5 and2 vpreb) homodimer 19 d2jell2 99.9 35 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 20 d1o0va1 99.9 29 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 21 d1lk3l2 not modelled 99.9 38 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 22 d1uwel2 not modelled 99.9 35 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 23 c1cqkB_ not modelled 99.9 31 PDB header:immune system Chain: B: PDB Molecule:ch3 domain of mak33 antibody; PDBTitle: crystal structure of the ch3 domain from the mak33 antibody 24 d1igyb4 not modelled 99.9 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 25 d1cqka_ not modelled 99.9 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 26 c1cqkA_ not modelled 99.9 31 PDB header:immune system Chain: A: PDB Molecule:ch3 domain of mak33 antibody; PDBTitle: crystal structure of the ch3 domain from the mak33 antibody 27 d1c5ch2 not modelled 99.9 35 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 28 d1l6xa2 not modelled 99.9 33 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 29 d1i1ca2 not modelled 99.9 29 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 30 d1uvqa1 not modelled 99.9 29 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 31 d1iaka1 not modelled 99.9 28 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 32 d1klub1 not modelled 99.9 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 33 c3lqzA_ not modelled 99.9 25 PDB header:immune system Chain: A: PDB Molecule:hla class ii histocompatibility antigen, dp alpha 1 chain; PDBTitle: crystal structure of hla-dp2 34 d1pfca_ not modelled 99.9 27 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 35 d1es0a1 not modelled 99.9 28 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 36 d2q86b2 not modelled 99.9 35 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 37 c1s9vA_ not modelled 99.9 29 PDB header:immune system Chain: A: PDB Molecule:hla class ii histocompatibility antigen, dq(3) PDBTitle: crystal structure of hla-dq2 complexed with deamidated2 gliadin peptide 38 d1wejh2 not modelled 99.9 29 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 39 c2q6wD_ not modelled 99.9 28 PDB header:immune system Chain: D: PDB Molecule:hla class ii histocompatibility antigen, dr PDBTitle: the structure of hla-dra, drb3*0101 (dr52a) with bound2 platelet integrin peptide associated with fetal and3 neonatal alloimmune thrombocytopenia 40 d1nldh2 not modelled 99.9 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 41 d1ogae2 not modelled 99.9 34 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 42 d1fnga1 not modelled 99.9 27 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 43 c2p24A_ not modelled 99.9 28 PDB header:immune system Chain: A: PDB Molecule:h-2 class ii histocompatibility antigen, a-u alpha chain; PDBTitle: i-au/mbp125-135 44 d1s9va1 not modelled 99.9 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 45 d1kcrh2 not modelled 99.9 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 46 d1deeb2 not modelled 99.9 24 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 47 d1klua1 not modelled 99.9 27 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 48 c2bc4C_ not modelled 99.9 33 PDB header:immune system Chain: C: PDB Molecule:hla class ii histocompatibility antigen, dm PDBTitle: crystal structure of hla-dm 49 c1iebD_ not modelled 99.9 32 PDB header:histocompatibility antigen Chain: D: PDB Molecule:mhc class ii i-ek; PDBTitle: histocompatibility antigen 50 c2xpgB_ not modelled 99.9 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of a mhc class i-peptide complex 51 d1ow0a2 not modelled 99.9 36 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 52 d2ig2h2 not modelled 99.9 36 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 53 d1fngb1 not modelled 99.9 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 54 c1f3jD_ not modelled 99.9 27 PDB header:immune system Chain: D: PDB Molecule:h-2 class ii histocompatibility antigen; PDBTitle: histocompatibility antigen i-ag7 55 d1iakb1 not modelled 99.9 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 56 c1sebB_ not modelled 99.9 33 PDB header:complex (mhc ii/peptide/toxin) Chain: B: PDB Molecule:hla class ii histocompatibility antigen; PDBTitle: complex of the human mhc class ii glycoprotein hla-dr1 and2 the bacterial superantigen seb 57 c1mhcA_ not modelled 99.8 21 PDB header:histocompatibility antigen/peptide Chain: A: PDB Molecule:mhc class i antigen h2-m3; PDBTitle: model of mhc class i h2-m3 with nonapeptide from rat nd1 refined at2 2.3 angstroms resolution 58 d2ck0l2 not modelled 99.8 37 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 59 d1t66d2 not modelled 99.8 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 60 d2iada1 not modelled 99.8 28 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 61 d1muja1 not modelled 99.8 28 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 62 c3p73A_ not modelled 99.8 24 PDB header:immune system Chain: A: PDB Molecule:mhc rfp-y class i alpha chain; PDBTitle: crystal structures of the chicken yf1*7.1 molecule 63 c3o8xB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: recognition of glycolipid antigen by inkt cell tcr 64 d1fv1b1 not modelled 99.8 29 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 65 d1mcoh2 not modelled 99.8 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 66 d1dn0b2 not modelled 99.8 26 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 67 c3fonA_ not modelled 99.8 20 PDB header:immune system Chain: A: PDB Molecule:mhc; PDBTitle: crystal structure of the class i mhc molecule h-2kwm7 with a single2 self peptide vndifeai 68 c3ecbB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: crystal structure of mouse h-2dd in complex with peptide2 p18-i10 derived from human immunodeficiency virus envelope3 glycoprotein 120 69 c3mrgB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of mhc class i hla-a2 molecule complexed with hcv2 ns3-1073-1081 nonapeptide 70 c3pwnB_ not modelled 99.8 23 PDB header:protein binding Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: human class i mhc hla-a2 in complex with the hud (g2l) peptide variant 71 c3pwnE_ not modelled 99.8 23 PDB header:protein binding Chain: E: PDB Molecule:beta-2-microglobulin; PDBTitle: human class i mhc hla-a2 in complex with the hud (g2l) peptide variant 72 c3nfjE_ not modelled 99.8 23 PDB header:immune system Chain: E: PDB Molecule:beta-2-microglobulin; PDBTitle: recognition of peptide-mhc by a v-delta/v-beta tcr 73 c3ox8E_ not modelled 99.8 23 PDB header:immune system Chain: E: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of hla a*02:03 bound to hbv core 18-27 74 c3he7B_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: crystal structure of mouse cd1d-alpha-galactosylceramide with mouse2 valpha14-vbeta7 nkt tcr 75 d3c2ah2 not modelled 99.8 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 76 c3rwgB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: rhesus macaque mhc class i molecule mamu-b*17-mw9 77 d1c16a1 not modelled 99.8 20 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 78 c3mrkB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of mhc class i hla-a2 molecule complexed with afp1372 nonapeptide 79 c3qdaA_ not modelled 99.8 23 PDB header:immune system Chain: A: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of w95l beta-2 microglobulin 80 c3qi9B_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of mouse cd1d-alpha-phosphotidylinositol with mouse2 valpha14-vbeta6 2a3-d nkt tcr 81 c3arfB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: ternary crystal structure of the mouse nkt tcr-cd1d-c20:2 82 c3ilqD_ not modelled 99.8 21 PDB header:immune system Chain: D: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mcd1d with bound glycolipid bbgl-2c from2 borrelia burgdorferi 83 c2yf6A_ not modelled 99.8 19 PDB header:immune system Chain: A: PDB Molecule:major histocompatibility complex class i glycoprotein PDBTitle: complex of a b21 chicken mhc class i molecule and a 10mer2 chicken peptide 84 c3he6B_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: crystal structure of mouse cd1d-alpha-galactosylceramide with mouse2 valpha14-vbeta8.2 nkt tcr 85 c3ubxB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of the mouse cd1d-c20:2-agalcer-l363 mab fab complex 86 c3ardB_ not modelled 99.8 20 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: ternary crystal structure of the mouse nkt tcr-cd1d-3'deoxy-alpha-2 galactosylceramide 87 c3e6hB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:putative uncharacterized protein; PDBTitle: mhc class i h-2dd heavy chain complexed with beta-22 microglobulin and a variant peptide, pi10, from the human3 immunodeficiency virus (bal) envelope glycoprotein 120 88 c3areB_ not modelled 99.8 20 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: ternary crystal structure of the mouse nkt tcr-cd1d-4'deoxy-alpha-2 galactosylceramide 89 d1igtb3 not modelled 99.8 22 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 90 c3t1fB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of the mouse cd1d-glc-dag-s2 complex 91 c3c8kB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: the crystal structure of ly49c bound to h-2kb 92 c3gmlB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with c6ph 93 c3gmqB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d expressed in sf9 cells, no ligand added 94 c3gmoB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with c8phf 95 c3gmmB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with c8ph 96 c3gmnB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with c10ph 97 c3gmpB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with pbs-25 98 c1zhbJ_ not modelled 99.8 21 PDB header:immune system Chain: J: PDB Molecule:h-2 class i histocompatibility antigen, d-b PDBTitle: crystal structure of the murine class i major2 histocompatibility complex of h-2db, b2-microglobulin, and3 a 9-residue peptide derived from rat dopamine beta-4 monooxigenase 99 c3ilpB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mcd1d with bound glycolipid bbgl-2f from2 borrelia burgdorferi 100 c3gmrB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: structure of mouse cd1d in complex with c8ph, different space group 101 d1k8ia1 not modelled 99.8 31 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 102 d1orqb2 not modelled 99.8 27 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 103 c3dmmB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: crystal structure of the cd8 alpha beta/h-2dd complex 104 c3e6fB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2 microglobulin; PDBTitle: mhc class i h-2dd heavy chain complexed with beta-22 microglobulin and a variant peptide, pa9, from the human3 immunodeficiency virus (bal) envelope glycoprotein 120 105 c2ve6E_ not modelled 99.8 21 PDB header:immune system Chain: E: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of a murine mhc class i h2-db molecule in2 complex with a photocleavable peptide 106 c3u0pB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of human cd1d-lysophosphatidylcholine 107 c3rl2B_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: hiv nef derived peptide nef73 complexed to hla-a*0301 108 c2ve6B_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of a murine mhc class i h2-db molecule in2 complex with a photocleavable peptide 109 d1osph2 not modelled 99.8 27 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 110 d1h0db2 not modelled 99.8 30 Fold:Immunoglobulin-like beta-sandwich Superfamily:Immunoglobulin Family:C1 set domains (antibody constant domain-like) 111 c3mrdB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of mhc class i hla-a2 molecule complexed with hcmv2 pp65-495-503 nonapeptide v6g variant 112 c1s7tB_ not modelled 99.8 21 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structures of the murine class i major2 histocompatibility complex h-2kb in complex with lcmv-3 derived gp33 index peptide and three of its escape variants 113 c3vfoB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of peptide-hla complex, hla mutant 114 c3vfpB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of peptide-hla complex, hla mutant 115 c3vfwB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of peptide-hla complex, peptide mutant 116 c3vh8E_ not modelled 99.8 23 PDB header:immune system Chain: E: PDB Molecule:beta-2-microglobulin; PDBTitle: kir3dl1 in complex with hla-b*5701 117 c3skmB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of a peptide-hla structure 118 c3t8xD_ not modelled 99.8 23 PDB header:immune system Chain: D: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of human cd1b in complex with synthetic antigenic2 diacylsulfoglycolipid sgl12 and endogenous spacer 119 c3vh8B_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: kir3dl1 in complex with hla-b*5701 120 c3rewB_ not modelled 99.8 23 PDB header:immune system Chain: B: PDB Molecule:beta-2-microglobulin; PDBTitle: crystal structure of an lmp2a-derived peptide bound to human class i2 mhc hla-a2