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1AHB

THE N-GLYCOSIDASE MECHANISM OF RIBOSOME-INACTIVATING PROTEINS IMPLIED BY CRYSTAL STRUCTURES OF ALPHA-MOMORCHARIN

Functional Information from GO Data
ChainGOidnamespacecontents
A0006952biological_processdefense response
A0016787molecular_functionhydrolase activity
A0017148biological_processnegative regulation of translation
A0030598molecular_functionrRNA N-glycosylase activity
A0035821biological_processmodulation of process of another organism
A0090729molecular_functiontoxin activity
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE FMP A 339
ChainResidue
AARG163
AGLU189
AHOH340
AHOH341
AHOH342
AHOH343
AVAL69
ATYR70
AILE71
AGLY109
ATYR111
AILE155

site_idCAT
Number of Residues3
DetailsCATALYTIC SITE
ChainResidue
ATYR70
AGLU160
AARG163

Functional Information from PROSITE/UniProt
site_idPS00275
Number of Residues17
DetailsSHIGA_RICIN Shiga/ricin ribosomal inactivating toxins active site signature. IqTTaEAARFKyIEqqI
ChainResidueDetails
AILE155-ILE171

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE:
ChainResidueDetails
AGLU160

site_idSWS_FT_FI2
Number of Residues1
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine
ChainResidueDetails
AASN227

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1abr
ChainResidueDetails
AGLU160
AARG163

site_idMCSA1
Number of Residues3
DetailsM-CSA 825
ChainResidueDetails
AILE71electrostatic stabiliser, hydrogen bond donor
AGLU160electrostatic stabiliser
AARG163activator, electrostatic stabiliser, hydrogen bond donor, proton acceptor, proton donor

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PDB entries from 2024-07-10

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