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4LPI

A sperm whale myoglobin double mutant L29H/F43Y Mb with a distal hydrogen-bonding network

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Myoglobinpolymer15417407.11UniProt (P02185)
Pfam (PF00042)
Physeter catodon (Sperm whale)
2B
(A)
PROTOPORPHYRIN IX CONTAINING FEnon-polymer616.51Chemie (HEM)
3C
(A)
waterwater18.0199Chemie (HOH)
Sequence modifications
A: 0 - 153 (UniProt: P02185)
PDBExternal DatabaseDetails
His 29Leu 30engineered mutation
Tyr 43Phe 44engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight17407.1
Non-Polymers*Number of molecules1
Total formula weight616.5
All*Total formula weight18023.6
*Water molecules are not included.

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PDB entries from 2025-06-11

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