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5QCG

Crystal structure of human Cathepsin-S with bound ligand

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Cathepsin Spolymer22324516.52UniProt (P25774)
Pfam (PF00112)
Homo sapiens (Human)
2C, E
(A, B)
SULFATE IONnon-polymer96.12Chemie (SO4)
3D, F
(A, B)
N-benzyl-1-{2-chloro-5-[2-(2-chloro-5-{5-(methylsulfonyl)-1-[3-(morpholin-4-yl)propyl]-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridin-3-yl}phenyl)ethyl]phenyl}methanaminenon-polymer696.72Chemie (BJJ)
4G, H
(A, B)
waterwater18.0196Chemie (HOH)
Sequence modifications
A, B: 0 - 217 (UniProt: P25774)
PDBExternal DatabaseDetails
Ser 25Cys 139engineered mutation
Leu 218-expression tag
Gln 219-expression tag
Gly 220-expression tag
Gly 221-expression tag
Gly 222-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight49032.9
Non-Polymers*Number of molecules4
Total formula weight1585.6
All*Total formula weight50618.5
*Water molecules are not included.

247947

PDB entries from 2026-01-21

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