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

1HHO

STRUCTURE OF HUMAN OXYHAEMOGLOBIN AT 2.1 ANGSTROMS RESOLUTION

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
HEMOGLOBIN A (OXY) (ALPHA CHAIN)polymer14115150.41UniProt (P69905)
Pfam (PF00042)
Homo sapiens (human)
2B
(B)
HEMOGLOBIN A (OXY) (BETA CHAIN)polymer14615890.21UniProt (P68871)
Pfam (PF00042)
Homo sapiens (human)
3C
(A)
PHOSPHATE IONnon-polymer95.01Chemie (PO4)
4D, F
(A, B)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
5E, G
(A, B)
OXYGEN MOLECULEnon-polymer32.02Chemie (OXY)
6H, I
(A, B)
waterwater18.0109Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight31040.6
Non-Polymers*Number of molecules5
Total formula weight1391.9
All*Total formula weight32432.5
*Water molecules are not included.

237423

PDB entries from 2025-06-11

PDB statisticsPDBj update infoContact PDBjnumon