1XG0
High resolution crystal structure of phycoerythrin 545 from the marine cryptophyte rhodomonas CS24
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Phycoerythrin alpha-3 chain | polymer | 76 | 8135.2 | 1 | UniProt (Q00433) Pfam (PF02972) | Rhodomonas sp. CS24 | cryptophytan phycoerythrin (alpha-1 chain) |
| 2 | B (B) | Phycoerythrin alpha-2 chain | polymer | 67 | 7027.1 | 1 | UniProt (P30943) Pfam (PF02972) | Rhodomonas sp. CS24 | cryptophytan phycoerythrin (alpha-2 chain) |
| 3 | C, D (C, D) | B-phycoerythrin beta chain | polymer | 177 | 18539.0 | 2 | UniProt (P27198) Pfam (PF00502) | Rhodomonas sp. CS24 | cryptophytan phycoerythrin (beta chain) |
| 4 | E, L (A, D) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 5 | F, G (A, B) | 15,16-DIHYDROBILIVERDIN | non-polymer | 584.7 | 2 | Chemie (DBV) | |||
| 6 | H (C) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 7 | I, J, K, M, N... (C, D) | PHYCOERYTHROBILIN | non-polymer | 588.7 | 6 | Chemie (PEB) | |||
| 8 | P, Q, R, S (A, B, C, D) | water | water | 18.0 | 1052 | Chemie (HOH) |
Sequence modifications
A: 1 - 76 (UniProt: Q00433)
C, D: 1 - 177 (UniProt: P27198)
| PDB | External Database | Details |
|---|---|---|
| Lyz 4 | Lys 56 | modified residue |
| PDB | External Database | Details |
|---|---|---|
| Cys 50 | Val 50 | conflict |
| Val 56 | Tyr 56 | conflict |
| Cys 61 | Glu 61 | conflict |
| Ser 65 | His 65 | conflict |
| Men 72 | Asn 72 | modified residue |
| Cys 73 | Glu 73 | conflict |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 52240.3 | |
| Non-Polymers* | Number of molecules | 11 |
| Total formula weight | 4785.6 | |
| All* | Total formula weight | 57025.9 |
