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4KGA

Crystal structure of kallikrein-related peptidase 4

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Kallikrein-4polymer22323926.02UniProt (Q9Y5K2)
Pfam (PF00089)
Homo sapiens (human)Enamel matrix serine proteinase 1, Kallikrein-like protein 1, KLK-L1, Prostase, Serine protease 17
2C, D, F, G
(A, B)
NICKEL (II) IONnon-polymer58.74Chemie (NI)
3E, H
(A, B)
1,2-ETHANEDIOLnon-polymer62.12Chemie (EDO)
4I, J
(A, B)
waterwater18.056Chemie (HOH)
Sequence modifications
A, B: 16 - 244 (UniProt: Q9Y5K2)
PDBExternal DatabaseDetails
Gln 186His 197SEE REMARK 999
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight47852.0
Non-Polymers*Number of molecules6
Total formula weight358.9
All*Total formula weight48210.9
*Water molecules are not included.

247536

PDB entries from 2026-01-14

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