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5O46

Crystal structure of Iristatin, a secreted salivary cystatin from the hard tick Ixodes ricinus

Functional Information from GO Data
ChainGOidnamespacecontents
A0004869molecular_functioncysteine-type endopeptidase inhibitor activity
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0005737cellular_componentcytoplasm
A0030414molecular_functionpeptidase inhibitor activity
A0031982cellular_componentvesicle
B0004869molecular_functioncysteine-type endopeptidase inhibitor activity
B0005576cellular_componentextracellular region
B0005615cellular_componentextracellular space
B0005737cellular_componentcytoplasm
B0030414molecular_functionpeptidase inhibitor activity
B0031982cellular_componentvesicle
Functional Information from PDB Data
site_idAC1
Number of Residues7
Detailsbinding site for residue GOL B 201
ChainResidue
BHIS9
BLEU86
BTHR88
BCYS107
BSER108
BHOH331
BHOH337

site_idAC2
Number of Residues3
Detailsbinding site for residue GOL A 201
ChainResidue
AVAL114
AHIS98
AGLY113

site_idAC3
Number of Residues7
Detailsbinding site for residue GOL A 202
ChainResidue
ALEU86
ATHR88
AASP106
ASER108
AHOH371
BPHE1
BPRO2

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues168
DetailsDomain: {"description":"Cystatin","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00498","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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