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1ZJK

Crystal structure of the zymogen catalytic region of human MASP-2

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PROSITE/UniProt
site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScrGDSGGALV
ChainResidueDetails
AASP627-VAL638

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues65
DetailsDomain: {"description":"Sushi 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00302","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues68
DetailsDomain: {"description":"Sushi 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00302","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsSite: {"description":"Cleavage; by autolysis","evidences":[{"source":"PubMed","id":"16040602","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP532
AHIS483

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AGLY634
ASER633

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
ASER633
AGLY631

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP532
ASER633
AHIS483

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AGLY634
AASP532
ASER633
AHIS483

site_idCSA6
Number of Residues5
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP532
ASER633
AHIS483
ASER654
AGLY631

site_idCSA7
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
AASP532
ASER633
AHIS483
AGLY631

246031

PDB entries from 2025-12-10

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