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3IR9

C-terminal domain of Peptide Chain Release Factor from Methanosarcina mazei.

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Peptide chain release factor subunit 1polymer16618103.82UniProt (Q8PX75)
Pfam (PF03465)
Methanosarcina mazei (Methanosarcina frisia)Translation termination factor aRF1
2C, D
(A, B)
ZINC IONnon-polymer65.42Chemie (ZN)
3E, F
(A, B)
waterwater18.036Chemie (HOH)
Sequence modifications
A, B: 252 - 415 (UniProt: Q8PX75)
PDBExternal DatabaseDetails
Ser 250-expression tag
Asn 251-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight36207.6
Non-Polymers*Number of molecules2
Total formula weight130.8
All*Total formula weight36338.4
*Water molecules are not included.

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PDB entries from 2025-12-03

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