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3HIW

Crystal structure of Saporin-L1 in complex with the cyclic tetranucleotide inhibitor, a transition state analogue

Functional Information from GO Data
ChainGOidnamespacecontents
A0017148biological_processnegative regulation of translation
A0030598molecular_functionrRNA N-glycosylase activity
B0017148biological_processnegative regulation of translation
B0030598molecular_functionrRNA N-glycosylase activity
Functional Information from PDB Data
site_idAC1
Number of Residues27
DetailsBINDING SITE FOR RESIDUE C2X A 258
ChainResidue
AASN71
AARG177
AGLU206
AASN207
ATRP209
AGLY210
AARG214
ATYR233
ALEU254
AHOH262
AHOH282
ALEU72
AHOH288
AHOH320
AHOH327
AHOH339
AHOH436
AHOH440
BASN207
BTYR233
ATYR73
AVAL74
APHE94
AGLU121
ASER122
ATYR123
AGLU174

site_idAC2
Number of Residues27
DetailsBINDING SITE FOR RESIDUE C2X B 258
ChainResidue
ATYR233
BASN71
BLEU72
BTYR73
BVAL74
BPHE94
BGLU121
BSER122
BTYR123
BPRO124
BGLU174
BARG177
BGLU206
BASN207
BTRP209
BGLY210
BARG214
BTYR233
BLEU254
BHOH267
BHOH270
BHOH271
BHOH301
BHOH353
BHOH360
BHOH408
BHOH414

Functional Information from PROSITE/UniProt
site_idPS00275
Number of Residues17
DetailsSHIGA_RICIN Shiga/ricin ribosomal inactivating toxins active site signature. VqMVgEAARFKyIEnlV
ChainResidueDetails
AVAL169-VAL185

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1abr
ChainResidueDetails
AARG177
AGLU174

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1abr
ChainResidueDetails
BARG177
BGLU174

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PDB entries from 2026-04-01

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