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2FRK

Nitrosyl Horse Heart Myoglobin, Nitric Oxide Gas Method

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(X)
Myoglobinpolymer15316983.51UniProt (P68082)
Pfam (PF00042)
Equus caballus (horse)
2B
(X)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C
(X)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.51Chemie (HEM)
4D
(X)
NITRIC OXIDEnon-polymer30.01Chemie (NO)
5E
(X)
waterwater18.0139Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight16983.5
Non-Polymers*Number of molecules3
Total formula weight742.6
All*Total formula weight17726.1
*Water molecules are not included.

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PDB entries from 2025-06-18

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