Loading
PDBj
MenuPDBj@FacebookPDBj@TwitterPDBj@YouTubewwPDB FoundationwwPDB
RCSB PDBPDBeBMRBAdv. SearchSearch help

1QSI

MAGNESIUM(II)-AND ZINC(II)-PROTOPORPHYRIN IX'S STABILIZE THE LOWEST OXYGEN AFFINITY STATE OF HUMAN HEMOGLOBIN EVEN MORE STRONGLY THAN DEOXYHEME

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, CPROTEIN (HEMOGLOBIN ALPHA CHAIN)polymer14115150.42UniProt (P69905)
Pfam (PF00042)
In PDB
Homo sapiens (human)
2B, DPROTEIN (HEMOGLOBIN BETA CHAIN)polymer14615890.22UniProt (P68871)
Pfam (PF00042)
In PDB
Homo sapiens (human)
3A, CPROTOPORPHYRIN IX CONTAINING FEnon-polymer616.52Chemie (HEM)
4A, CCARBON MONOXIDEnon-polymer28.02Chemie (CMO)
5B, DPROTOPORPHYRIN IX CONTAINING MGnon-polymer584.92Chemie (HEG)
6waterwater18.0405Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight62081.1
Non-Polymers*Number of molecules6
Total formula weight2458.9
All*Total formula weight64540.0
*Water molecules are not included.

217705

PDB entries from 2024-03-27

PDB statisticsPDBj update infoContact PDBjnumon