2ZS1
Structural Basis for the Heterotropic and Homotropic Interactions of Invertebrate Giant Hemoglobin
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Extracellular giant hemoglobin major globin subunit A1 | polymer | 140 | 15188.9 | 1 | UniProt (Q7M419) Pfam (PF00042) | Oligobrachia mashikoi (Beard worm) | Major globin chain b |
| 2 | B (B) | Extracellular giant hemoglobin major globin subunit A2 | polymer | 142 | 15327.1 | 1 | UniProt (Q7M413) Pfam (PF00042) | Oligobrachia mashikoi (Beard worm) | Major globin chain a5 |
| 3 | C (C) | Extracellular giant hemoglobin major globin subunit B2 | polymer | 147 | 15621.3 | 1 | UniProt (Q7M418) Pfam (PF00042) | Oligobrachia mashikoi (Beard worm) | Major globin chain c |
| 4 | D (D) | Extracellular giant hemoglobin major globin subunit B1 | polymer | 145 | 14693.3 | 1 | UniProt (Q5KSB7) Pfam (PF00042) | Oligobrachia mashikoi (Beard worm) | Major globin chain d |
| 5 | E, L, O, Q (A, B, C, D) | PROTOPORPHYRIN IX CONTAINING FE | non-polymer | 616.5 | 4 | Chemie (HEM) | |||
| 6 | F, M, P, R (A, B, C, D) | OXYGEN MOLECULE | non-polymer | 32.0 | 4 | Chemie (OXY) | |||
| 7 | G, H, I, J, S... (A, D) | GLYCEROL | non-polymer | 92.1 | 6 | Chemie (GOL) | |||
| 8 | K (A) | CHLORIDE ION | non-polymer | 35.5 | 1 | Chemie (CL) | |||
| 9 | N (B) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 10 | U, V, W, X (A, B, C, D) | water | water | 18.0 | 643 | Chemie (HOH) |
Sequence modifications
D: 1 - 145 (UniProt: Q5KSB7)
| PDB | External Database | Details |
|---|---|---|
| Ile 31 | Val 47 | microheterogeneity |
| Val 38 | Ala 54 | microheterogeneity |
| Thr 41 | Ala 57 | microheterogeneity |
| Ser 57 | Asn 73 | microheterogeneity |
| Ser 58 | Asn 74 | microheterogeneity |
| Ala 59 | Pro 75 | microheterogeneity |
| Ile 69 | Val 85 | microheterogeneity |
| Lys 97 | Arg 113 | microheterogeneity |
| Glu 112 | Gln 128 | microheterogeneity |
| Gly 131 | Glu 147 | microheterogeneity |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 60830.6 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 3206.3 | |
| All* | Total formula weight | 64036.9 |
