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1BC4

THE SOLUTION STRUCTURE OF A CYTOTOXIC RIBONUCLEASE FROM THE OOCYTES OF RANA CATESBEIANA (BULLFROG), NMR, 15 STRUCTURES

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004540molecular_functionRNA nuclease activity
A0005576cellular_componentextracellular region
A0016787molecular_functionhydrolase activity
A0030246molecular_functioncarbohydrate binding
A0050830biological_processdefense response to Gram-positive bacterium
Functional Information from PROSITE/UniProt
site_idPS00127
Number of Residues7
DetailsRNASE_PANCREATIC Pancreatic ribonuclease family signature. CKrvNTF
ChainResidueDetails
ACYS34-PHE40

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1rbn
ChainResidueDetails
AHIS103
APHE104
AHIS10
ALYS35

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1rbn
ChainResidueDetails
AHIS103
AHIS10
ALYS35

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PDB entries from 2025-07-23

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