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3OR0

Semi-synthetic ribonuclease S: cyanylated homocysteine at position 13

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
B0003676molecular_functionnucleic acid binding
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 Residues2
DetailsACT_SITE: Proton donor
ChainResidueDetails
AHIS119
BHIS119

site_idSWS_FT_FI2
Number of Residues6
DetailsBINDING:
ChainResidueDetails
ALYS41
ALYS66
AARG85
BLYS41
BLYS66
BARG85

site_idSWS_FT_FI3
Number of Residues2
DetailsCARBOHYD: N-linked (GlcNAc...) asparagine; partial => ECO:0000269|PubMed:19358553
ChainResidueDetails
AASN34
BASN34
bLYS1
bLYS7

site_idSWS_FT_FI4
Number of Residues4
DetailsCARBOHYD: N-linked (Glc) (glycation) lysine; in vitro => ECO:0000269|PubMed:4030761
ChainResidueDetails
ALYS37
ALYS41
BLYS37
BLYS41

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 164
ChainResidueDetails
BLYS41electrostatic stabiliser, hydrogen bond donor
BHIS119hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BPHE120electrostatic stabiliser, hydrogen bond donor
BASP121electrostatic stabiliser, hydrogen bond acceptor

site_idMCSA2
Number of Residues4
DetailsM-CSA 164
ChainResidueDetails

237735

PDB entries from 2025-06-18

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