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4R9I

Crystal structure of cysteine proteinase inhibitor Serpin18 from Bombyx mori

Functional Information from GO Data
ChainGOidnamespacecontents
A0004867molecular_functionserine-type endopeptidase inhibitor activity
A0005615cellular_componentextracellular space
A0030414molecular_functionpeptidase inhibitor activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA A 401
ChainResidue
ATHR284
ATHR286
AGLN380
AFLC402
AHOH501

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE FLC A 402
ChainResidue
ALYS232
ATHR284
ATHR286
AGLU287
ASER288
AGLN380
ANA401
AHOH568
AHOH877
AHOH991
AHOH995
AHIS16
AHIS17
AHIS18
AASN108

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE BME A 403
ChainResidue
ATYR202
ASER227

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PDB entries from 2026-01-28

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