3R0L
Crystal structure of crotoxin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Crotoxin chain A | polymer | 39 | 4159.5 | 1 | UniProt (P08878) Pfam (PF00068) | Crotalus durissus terrificus (South American rattlesnake cascabel) | CA, Crotapotin, Crotoxin chain A |
| 2 | B (B) | Crotoxin chain B | polymer | 35 | 3753.1 | 1 | UniProt (P08878) Pfam (PF00068) | Crotalus durissus terrificus (South American rattlesnake cascabel) | CA, Crotapotin, Crotoxin chain B |
| 3 | C (C) | Crotoxin chain C | polymer | 14 | 1536.6 | 1 | UniProt (P08878) | Crotalus durissus terrificus (South American rattlesnake cascabel) | CA, Crotapotin, Crotoxin chain C |
| 4 | D (D) | Phospholipase A2 CB | polymer | 122 | 14188.3 | 1 | UniProt (P62022) Pfam (PF00068) UniProt (by SIFTS) (P0CG56) | Crotalus durissus terrificus (South American rattlesnake cascabel) | Crotoxin basic chain, Phosphatidylcholine 2-acylhydrolase |
| 5 | E (B) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 6 | F (D) | MANGANESE (II) ION | non-polymer | 54.9 | 1 | Chemie (MN) | |||
| 7 | G, H (D) | SODIUM ION | non-polymer | 23.0 | 2 | Chemie (NA) | |||
| 8 | I (D) | ACETATE ION | non-polymer | 59.0 | 1 | Chemie (ACT) | |||
| 9 | J, K, L, M (A, B, C, D) | water | water | 18.0 | 265 | Chemie (HOH) |
Sequence modifications
D: 1 - 122 (UniProt: P62022)
| PDB | External Database | Details |
|---|---|---|
| Val 18 | Ile 34 | SEE REMARK 999 |
| Gln 33 | Arg 49 | SEE REMARK 999 |
| Arg 65 | Pro 81 | SEE REMARK 999 |
| Asn 105 | Tyr 121 | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 23637.5 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 195.4 | |
| All* | Total formula weight | 23833.0 |






