2ICW
Crystal structure of a complete ternary complex between TCR, superantigen, and peptide-MHC class II molecule
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, D | HLA class II histocompatibility antigen, DR alpha chain | polymer | 179 | 20983.2 | 2 | UniProt (P01903) Pfam (PF00993) Pfam (PF07654) In PDB | Homo sapiens (human) | MHC class II antigen DRA |
2 | B, E | HLA class II histocompatibility antigen, DRB1-1 beta chain | polymer | 190 | 22080.7 | 2 | UniProt (P04229) Pfam (PF00969) Pfam (PF07654) UniProt (by SIFTS) (P01911) In PDB | Homo sapiens (human) | MHC class II antigen DRB1*1, DR-1, DR1 |
3 | C, F | haemagglutinin peptide | polymer | 13 | 1506.8 | 2 | |||
4 | G, H | Mycoplasma arthritidis mitogen | polymer | 213 | 25332.3 | 2 | UniProt (Q48898) Pfam (PF09245) In PDB | Mycoplasma arthritidis | |
5 | I, K | T-cell receptor alpha chain V | polymer | 110 | 12113.6 | 2 | UniProt (P01738) Pfam (PF07686) In PDB | Mus musculus (house mouse) | |
6 | J, L | T-cell receptor beta chain V | polymer | 113 | 12184.3 | 2 | UniProt (P04213) Pfam (PF07686) UniProt (by SIFTS) (A2NTY6) In PDB | Mus musculus (house mouse) | |
7 | water | water | 18.0 | 305 | Chemie (HOH) |
Sequence modifications
A, D: 3 - 181 (UniProt: P01903)
I, K: 1 - 110 (UniProt: P01738)
J, L: 1 - 80 (UniProt: P04213)
PDB | External Database | Details |
---|---|---|
Mse 23 | Met 48 | modified residue |
Mse 36 | Met 61 | modified residue |
Mse 73 | Met 98 | modified residue |
PDB | External Database | Details |
---|---|---|
Pro 43 | Leu 63 | engineered mutation |
Arg 82 | Trp 102 | engineered mutation |
PDB | External Database | Details |
---|---|---|
Asn 10 | Ser 18 | SEE REMARK 999 |
Glu 17 | Gly 25 | engineered mutation |
Asn 24 | His 32 | SEE REMARK 999 |
Asn 30 | Asp 38 | SEE REMARK 999 |
Asn 31 | Tyr 39 | SEE REMARK 999 |
Glu 42 | Gly 50 | engineered mutation |
Gly 51 | Val 59 | SEE REMARK 999 |
Gly 53 | Asp 61 | SEE REMARK 999 |
Ser 80 | Leu 88 | engineered mutation |
Ala 81 | - | SEE REMARK 999 |
Thr 82 | - | SEE REMARK 999 |
Pro 83 | - | SEE REMARK 999 |
Ser 84 | - | SEE REMARK 999 |
Gln 85 | - | SEE REMARK 999 |
Thr 86 | - | SEE REMARK 999 |
Ser 87 | - | SEE REMARK 999 |
Val 88 | - | SEE REMARK 999 |
Tyr 89 | - | SEE REMARK 999 |
Phe 90 | - | SEE REMARK 999 |
Cys 91 | - | SEE REMARK 999 |
Ala 92 | - | SEE REMARK 999 |
Ser 93 | - | SEE REMARK 999 |
Gly 94 | - | SEE REMARK 999 |
Gly 95 | - | SEE REMARK 999 |
Gly 96 | - | SEE REMARK 999 |
Gly 97 | - | SEE REMARK 999 |
Thr 98 | - | SEE REMARK 999 |
Tyr 100 | - | SEE REMARK 999 |
Phe 101 | - | SEE REMARK 999 |
Gly 102 | - | SEE REMARK 999 |
Ala 103 | - | SEE REMARK 999 |
Gly 104 | - | SEE REMARK 999 |
Thr 105 | - | SEE REMARK 999 |
Arg 106 | - | SEE REMARK 999 |
Leu 107 | - | SEE REMARK 999 |
Ser 108 | - | SEE REMARK 999 |
Val 109 | - | SEE REMARK 999 |
Leu 110 | - | SEE REMARK 999 |
Ser 111 | - | cloning artifact |
Ser 112 | - | cloning artifact |
Ala 113 | - | cloning artifact |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 12 |
Total formula weight | 188401.8 | |
All* | Total formula weight | 188401.8 |