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1KEI

Thermolysin (substrate-free)

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Thermolysinpolymer31634360.31UniProt (P00800)
Pfam (PF01447)
Pfam (PF02868)
Bacillus thermoproteolyticus
2B, C, D, E
(A)
CALCIUM IONnon-polymer40.14Chemie (CA)
3F
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
4G
(A)
VALINEnon-polymer117.11Chemie (VAL)
5H
(A)
LYSINEnon-polymer147.21Chemie (LYS)
6I
(A)
waterwater18.0185Chemie (HOH)
Sequence modifications
A: 1 - 316 (UniProt: P00800)
PDBExternal DatabaseDetails
Asn 37Asp 37SEE REMARK 999
Gln 119Glu 119SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight34360.3
Non-Polymers*Number of molecules7
Total formula weight490.1
All*Total formula weight34850.4
*Water molecules are not included.

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PDB entries from 2025-12-17

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