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4TWU

Horse heart myoglobin mutant (D44K/D60K/E85K) with Zn-deuteroporphyrin IX

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Myoglobinpolymer15417143.01UniProt (P68082)
Pfam (PF00042)
Equus caballus (Horse)
2B
(A)
Zinc (II) Deuteroporphyrin IXnon-polymer574.01Chemie (ZND)
3C, D, E, F
(A)
SULFATE IONnon-polymer96.14Chemie (SO4)
4G
(A)
waterwater18.0120Chemie (HOH)
Sequence modifications
A: 0 - 153 (UniProt: P68082)
PDBExternal DatabaseDetails
Lys 44Asp 45engineered mutation
Lys 60Asp 61engineered mutation
Lys 85Glu 86engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight17143.0
Non-Polymers*Number of molecules5
Total formula weight958.2
All*Total formula weight18101.2
*Water molecules are not included.

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PDB entries from 2025-06-11

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