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5QCI

Crystal structure of human Cathepsin-S with bound ligand

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Cathepsin Spolymer22324516.51UniProt (P25774)
Pfam (PF00112)
Homo sapiens (Human)
2B
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
3C
(A)
GLYCEROLnon-polymer92.11Chemie (GOL)
4D
(A)
N-benzyl-1-{5-[(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)ethynyl]-2-methoxyphenyl}methanaminenon-polymer688.31Chemie (BJV)
5E
(A)
waterwater18.0232Chemie (HOH)
Sequence modifications
A: 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 chains1
Total formula weight24516.5
Non-Polymers*Number of molecules3
Total formula weight876.4
All*Total formula weight25392.9
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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