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1SSA

A STRUCTURAL INVESTIGATION OF CATALYTICALLY MODIFIED F12OL AND F12OY SEMISYNTHETIC RIBONUCLEASES

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
RIBONUCLEASE Apolymer11813050.61UniProt (P61823)
Pfam (PF00074)
Bos taurus (bovine)
2B
(B)
RIBONUCLEASE Apolymer141470.61UniProt (P61823)
3C
(B)
SULFATE IONnon-polymer96.11Chemie (SO4)
4D, E
(A, B)
waterwater18.0103Chemie (HOH)
Sequence modifications
B: 111 - 124 (UniProt: P61823)
PDBExternal DatabaseDetails
Ser 113Asn 137conflict
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight14521.2
Non-Polymers*Number of molecules1
Total formula weight96.1
All*Total formula weight14617.3
*Water molecules are not included.

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PDB entries from 2025-10-29

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