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1KM9

The Structure of a Cytotoxic Ribonuclease From the Oocyte of Rana Catesbeiana (Bullfrog)

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 PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 A 501
ChainResidue
ALYS9
AHIS10
ALYS35
AHIS103
APHE104
AHOH848

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE PO4 A 502
ChainResidue
AARG65
AHOH673
AHOH722
ASER44
AALA45
ATHR46

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE PO4 A 503
ChainResidue
AGLN33
AARG73
AHOH613
AHOH713

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

239149

PDB entries from 2025-07-23

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