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1NZ4

The horse heart myoglobin variant K45E/K63E complexed with Cadmium

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Myoglobinpolymer15316983.41UniProt (P68082)
Pfam (PF00042)
Equus caballus (horse)
2B, C
(A)
CADMIUM IONnon-polymer112.42Chemie (CD)
3D
(A)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.51Chemie (HEM)
4E
(A)
waterwater18.053Chemie (HOH)
Sequence modifications
A: 1 - 153 (UniProt: P68082)
PDBExternal DatabaseDetails
Glu 45Lys 45engineered mutation
Glu 63Lys 63engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight16983.4
Non-Polymers*Number of molecules3
Total formula weight841.3
All*Total formula weight17824.7
*Water molecules are not included.

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PDB entries from 2025-09-24

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