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3A4Y

Crystal Structure of H61A mutant TTHA0252 from Thermus thermophilus HB8

Replaces:  2ZDW
Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Ribonuclease TTHA0252polymer43147051.04UniProt (Q5SLP1)
Pfam (PF00753)
Pfam (PF10996)
Pfam (PF07521)
Thermus thermophilus
2AA, AB, BA, BB, CA...
(B, C, A, D)
SULFATE IONnon-polymer96.156Chemie (SO4)
3DB, OA, X
(C, B, A)
CITRATE ANIONnon-polymer189.13Chemie (FLC)
4EB, OB, PA, Y
(C, D, B, A)
ZINC IONnon-polymer65.44Chemie (ZN)
5PB, QB, RB, SB
(A, B, C, D)
waterwater18.0136Chemie (HOH)
Sequence modifications
A, B, C, D: 1 - 431 (UniProt: Q5SLP1)
PDBExternal DatabaseDetails
Ala 61His 61engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight188204.0
Non-Polymers*Number of molecules63
Total formula weight6208.5
All*Total formula weight194412.5
*Water molecules are not included.

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PDB entries from 2025-07-02

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