Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

3QOB

Mechanical Coupling Controls Cooperative Ligand Binding in a Homodimeric Hemoglobin

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Globin-1polymer14615966.32UniProt (P02213)
Pfam (PF00042)
Anadara inaequivalvis (Inequivalve ark)Dimeric hemoglobin,Globin I,HbI
2C, E
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
3D, F
(A, B)
CARBON MONOXIDEnon-polymer28.02Chemie (CMO)
Sequence modifications
A, B: 1 - 146 (UniProt: P02213)
PDBExternal DatabaseDetails
Asn 56Asp 56conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight31932.6
Non-Polymers*Number of molecules4
Total formula weight1289.0
All*Total formula weight33221.6
*Water molecules are not included.

239492

PDB entries from 2025-07-30

PDB statisticsPDBj update infoContact PDBjnumon