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2R4Z

Ligand Migration and Binding in The Dimeric Hemoglobin of Scapharca Inaequivalvis: Structure of I25W with CO

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, BGlobin-1polymer14616040.42UniProt (P02213)
Pfam (PF00042)
In PDB
Scapharca inaequivalvis (ark clam)Globin I, HbI, Dimeric hemoglobin
2APHOSPHATE IONnon-polymer95.01Chemie (PO4)
3A, BPROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
4A, BCARBON MONOXIDEnon-polymer28.02Chemie (CMO)
5waterwater18.0379Chemie (HOH)
Sequence modifications
A, B: 1 - 146 (UniProt: P02213)
PDBExternal DatabaseDetails
Trp 25Ile 25engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight32080.7
Non-Polymers*Number of molecules5
Total formula weight1384.0
All*Total formula weight33464.7
*Water molecules are not included.

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PDB entries from 2024-09-18

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