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4CI9

Crystal structure of cathepsin A, apo-structure

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
LYSOSOMAL PROTECTIVE PROTEINpolymer45551829.41UniProt (P10619)
Pfam (PF00450)
HOMO SAPIENS (HUMAN)CARBOXYPEPTIDASE C, CARBOXYPEPTIDASE L, CATHEPSIN A, PROTECTIVE PROTEIN CATHEPSIN A, PPCA, PROTECTIVE PROTEIN FOR BETA-GALACTOSIDASE
2B, C
(B, C)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.42In PDB
GlyTouCan (G42666HT)
3D
(A)
DIMETHYL SULFOXIDEnon-polymer78.11Chemie (DMS)
4E, F
(A)
ACETATE IONnon-polymer59.02Chemie (ACT)
5G, H
(A)
GLYCEROLnon-polymer92.12Chemie (GOL)
6I
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
7J
(A)
waterwater18.0614Chemie (HOH)
Sequence modifications
A: 1 - 452 (UniProt: P10619)
PDBExternal DatabaseDetails
Ser -1-expression tag
Arg 0-expression tag
Glu 453-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight51829.4
BranchedNumber of molecules2
Total formula weight848.8
Non-Polymers*Number of molecules6
Total formula weight476.5
All*Total formula weight53154.6
*Water molecules are not included.

238268

PDB entries from 2025-07-02

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