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2Q3N

Agglutinin from Abrus Precatorius (APA-I)

Replaces:  2AMZ
Functional Information from GO Data
ChainGOidnamespacecontents
A0017148biological_processnegative regulation of translation
A0030598molecular_functionrRNA N-glycosylase activity
Functional Information from PROSITE/UniProt
site_idPS00275
Number of Residues17
DetailsSHIGA_RICIN Shiga/ricin ribosomal inactivating toxins active site signature. IqMVaEAARFRyVSklV
ChainResidueDetails
AILE158-VAL174

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"UniProtKB","id":"P11140","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues127
DetailsDomain: {"description":"Ricin B-type lectin 1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00174","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues42
DetailsRepeat: {"description":"1-alpha","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues40
DetailsRepeat: {"description":"1-beta","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues32
DetailsRepeat: {"description":"1-gamma","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues124
DetailsDomain: {"description":"Ricin B-type lectin 2","evidences":[{"source":"PROSITE-ProRule","id":"PRU00174","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues35
DetailsRepeat: {"description":"2-alpha","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues39
DetailsRepeat: {"description":"2-beta","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues33
DetailsRepeat: {"description":"2-gamma","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1abr
ChainResidueDetails
AARG166
AGLU163

250359

PDB entries from 2026-03-11

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