2ian

Structural basis for recognition of mutant self by a tumor-specific, MHC class II-restricted TCR

Method: X-RAY DIFFRACTION Dmax: 174.8 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

HLA class II histocompatibility antigen, DR alpha chain

Homo sapiens

UniProt P01903

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain A; UniProt 26–207 Fragment:residues 1-182 (26-207) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain F; UniProt 26–207 Fragment:residues 1-182 (26-207) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
3 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain K; UniProt 26–207 Fragment:residues 1-182 (26-207) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
4 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain P; UniProt 26–207 Fragment:residues 1-182 (26-207) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

139 other PDB entries and 216 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 2DRA_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–182; UniProt 26–207 Author chain F; PDBConstruct 1–182; UniProt 26–207 Author chain K; PDBConstruct 1–182; UniProt 26–207 Author chain P; PDBConstruct 1–182; UniProt 26–207

HLA class II histocompatibility antigen, DRB1-1 beta chain

Homo sapiens

UniProt P04229

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain B; UniProt 30–219 Fragment:residues 1-190 (30-219) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain G; UniProt 30–219 Fragment:residues 1-190 (30-219) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
3 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain L; UniProt 30–219 Fragment:residues 1-190 (30-219) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
4 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain Q; UniProt 30–219 Fragment:residues 1-190 (30-219) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

48 other PDB entries and 80 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name 2B11_HUMAN
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–190; UniProt 30–219 Author chain G; PDBConstruct 1–190; UniProt 30–219 Author chain L; PDBConstruct 1–190; UniProt 30–219 Author chain Q; PDBConstruct 1–190; UniProt 30–219

15-mer peptide from Triosephosphate isomerase

Homo sapiens

UniProt P60174

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain C; UniProt 22–36 Fragment:residues 23-37 (22-36) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain H; UniProt 22–36 Fragment:residues 23-37 (22-36) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
3 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain M; UniProt 22–36 Fragment:residues 23-37 (22-36) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
4 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain R; UniProt 22–36 Fragment:residues 23-37 (22-36) HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) CD4+ T cell receptor E8 alpha chain × 1 (P01848) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

26 other PDB entries and 33 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TPIS_HUMAN
Isoform
PDB entities 3
Chains and sequence ranges Author chain C; PDBConstruct 1–15; UniProt 22–36 Author chain H; PDBConstruct 1–15; UniProt 22–36 Author chain M; PDBConstruct 1–15; UniProt 22–36 Author chain R; PDBConstruct 1–15; UniProt 22–36

CD4+ T cell receptor E8 alpha chain

Homo sapiens

UniProt P01848

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain D; UniProt 1–95 Mutation:T156C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain I; UniProt 1–95 Mutation:T156C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
3 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain N; UniProt 1–95 Mutation:T156C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
4 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain S; UniProt 1–95 Mutation:T156C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 beta chain × 1 (P01850) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

34 other PDB entries and 48 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TCA_HUMAN
Isoform
PDB entities 4
Chains and sequence ranges Author chain D; PDBConstruct 108–202; UniProt 1–95 Author chain I; PDBConstruct 108–202; UniProt 1–95 Author chain N; PDBConstruct 108–202; UniProt 1–95 Author chain S; PDBConstruct 108–202; UniProt 1–95

CD4+ T cell receptor E8 beta chain

Homo sapiens

UniProt P01850

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain E; UniProt 1–130 Mutation:S167C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
2 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain J; UniProt 1–130 Mutation:S167C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
3 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain O; UniProt 1–130 Mutation:S167C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296
4 Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric(5) Consistent with protein copy count Chain T; UniProt 1–130 Mutation:S167C HLA class II histocompatibility antigen, DR alpha chain × 1 (P01903) HLA class II histocompatibility antigen, DRB1-1 beta chain × 1 (P04229) 15-mer peptide from Triosephosphate isomerase × 1 (P60174) CD4+ T cell receptor E8 alpha chain × 1 (P01848) X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;295 K;10% PEG6000, 0.1M di-ammonium phosphate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K Resolution 2.80 Å R-free 0.296

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

24 other PDB entries and 37 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name TCB_HUMAN
Isoform
PDB entities 5
Chains and sequence ranges Author chain E; PDBConstruct 111–240; UniProt 1–130 Author chain J; PDBConstruct 111–240; UniProt 1–130 Author chain O; PDBConstruct 111–240; UniProt 1–130 Author chain T; PDBConstruct 111–240; UniProt 1–130

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 2ian

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2ian
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2ian
Deposition date deposition_date2006-09-08
Structure title titleStructural basis for recognition of mutant self by a tumor-specific, MHC class II-restricted TCR
Keywords keywordsmajor histocompatibility complex, T cell receptor, T cell stimulation, melanoma, tumor antigen, IMMUNE SYSTEM; IMMUNE SYSTEM
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier52.78
Radius of gyration Rg (electron density) rg_electron52.53
Forward intensity I(0) i01993950000.00
Molecular weight molecular_weight370110.0 kDa
Excluded volume excluded_volume460620 ų
Envelope volume envelope_volume675620 ų
Hydration-shell volume shell_volume103610 ų
Envelope diameter envelope_diameter178.0
Shell Rg shell_rg59.25
Envelope Rg envelope_rg51.42
Shape Rg shape_rg52.53
Total Rg total_rg52.74
Total atoms total_atoms26133
Residues n_residues3259
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax174.8
Rg (real space) rg_real52.63
Rg uncertainty (real space) rg_real_error1.27
I(0) (real space) i0_real1.9940e+09
I(0) uncertainty (real space) i0_real_error3.9480e+07
Rg (reciprocal space) rg_reciprocal52.89
I(0) (reciprocal space) i0_reciprocal1995000000.0000
Solution quality estimate total_estimate0.8013
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary69.9
Skewness Skewness skewness0.234
Kurtosis Kurtosis kurtosis-0.259
Angular range angular_range— – 0.1500 −1
Current regularization parameter α current_alpha0.0001
Highest regularization parameter α highest_alpha123300000.0000
Real-space data points n_real_points31
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.816; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 65 domains

SCOP 2.08 (33 domains)

Domain ID domain_idd2iana1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iana2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2iana3
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags
Domain ID domain_idd2ianb1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianb2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2iand1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iand2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iane1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iane2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianf1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianf2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2iang1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iang2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2iani1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iani2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianj1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2ianj2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iank1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iank2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2ianl1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianl2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2iann1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iann2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iano1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iano2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianp1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianp2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2ianq1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2ianq2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.19 — MHC antigen-recognition domain
Superfamily Superfamily superfamilyd.19.1 — MHC antigen-recognition domain
Family Family familyd.19.1.1 — MHC antigen-recognition domain
Domain ID domain_idd2ians1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2ians2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)
Domain ID domain_idd2iant1
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.0 — automated matches
Domain ID domain_idd2iant2
Class classb — All beta proteins
Fold Fold foldb.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamilyb.1.1 — Immunoglobulin
Family Family familyb.1.1.2 — C1 set domains (antibody constant domain-like)

CATH v4.4 (32 domains)

Domain ID domain_id2ianA01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianB01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianD01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianD02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianE01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianE02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianF01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianF02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianG01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianG02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianI01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianI02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianJ01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianJ02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianK01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianK02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianL01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianL02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianN01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianN02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianO01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianO02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianP01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianP02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianQ01
Class class3 — Alpha Beta
Architecture architecture10 — Roll
Topology topology320 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Homologous superfamily homologous superfamily10 — Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
Domain ID domain_id2ianQ02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianS01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianS02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianT01
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins
Domain ID domain_id2ianT02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology40 — Immunoglobulin-like
Homologous superfamily homologous superfamily10 — Immunoglobulins

8. Citations (1)

9. Files and Curves (10)