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1B20

DELETION OF A BURIED SALT-BRIDGE IN BARNASE

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C
(A, B, C)
PROTEIN (BARNASE)polymer11012328.63UniProt (P00648)
Pfam (PF00545)
Bacillus amyloliquefaciens
2D, E, F
(A, B, C)
ZINC IONnon-polymer65.43Chemie (ZN)
3G, H, I
(A, B, C)
waterwater18.0486Chemie (HOH)
Sequence modifications
A, B, C: 1 - 110 (UniProt: P00648)
PDBExternal DatabaseDetails
Ser 69Arg 116engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains3
Total formula weight36985.8
Non-Polymers*Number of molecules3
Total formula weight196.2
All*Total formula weight37182.0
*Water molecules are not included.

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PDB entries from 2025-10-29

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