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1SSB

A STRUCTURAL INVESTIGATION OF CATALYTICALLY MODIFIED F12OL AND F12OY SEMISYNTHETIC RIBONUCLEASES

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004522molecular_functionribonuclease A activity
A0004540molecular_functionRNA nuclease activity
A0005515molecular_functionprotein binding
A0005576cellular_componentextracellular region
A0016787molecular_functionhydrolase activity
A0016829molecular_functionlyase activity
A0050830biological_processdefense response to Gram-positive bacterium
Functional Information from PDB Data
site_idAC1
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 B 125
ChainResidue
AGLN11
AHIS12
ALYS41
BVAL118
BHIS119
BTYR120
BHOH138
BHOH159
BHOH214

Functional Information from PROSITE/UniProt
site_idPS00127
Number of Residues7
DetailsRNASE_PANCREATIC Pancreatic ribonuclease family signature. CKpvNTF
ChainResidueDetails
ACYS40-PHE46

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

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (Glc) (glycation) lysine; in vitro","evidences":[{"source":"PubMed","id":"4030761","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine; partial","featureId":"CAR_000006","evidences":[{"source":"PubMed","id":"19358553","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 164
ChainResidueDetails
BHIS119hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BTYR120electrostatic stabiliser, hydrogen bond donor
BASP121electrostatic stabiliser, hydrogen bond acceptor

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PDB entries from 2025-07-30

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