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4R5F

X-ray structure of the D199K mutant of the cysteine desulfurase IscS from A. fulgidus

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cysteine desulfurase IscS 2polymer38241902.71UniProt (O29689)
Pfam (PF00266)
Archaeoglobus fulgidus DSM 4304
2B, D
(A)
CALCIUM IONnon-polymer40.12Chemie (CA)
3C
(A)
CHLORIDE IONnon-polymer35.51Chemie (CL)
4E
(A)
4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATEnon-polymer248.21Chemie (PMP)
5F, G, H, I, J...
(A)
TETRAETHYLENE GLYCOLnon-polymer194.29Chemie (PG4)
6O
(A)
ACETATE IONnon-polymer59.01Chemie (ACT)
7P
(A)
waterwater18.0376Chemie (HOH)
Sequence modifications
A: 1 - 382 (UniProt: O29689)
PDBExternal DatabaseDetails
Ile 16Val 16conflict
Lys 199Asp 199engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight41902.7
Non-Polymers*Number of molecules14
Total formula weight2170.9
All*Total formula weight44073.5
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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