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1UN5

ARH-II, AN ANGIOGENIN/RNASE A CHIMERA

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CIT A1124
ChainResidue
AHIS66
AARG67
AGLY100
APHE101
AARG102

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000269|PubMed:11468363, ECO:0000269|PubMed:38718836, ECO:0000269|PubMed:9918722
ChainResidueDetails
AHIS13

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton donor => ECO:0000269|PubMed:11468363, ECO:0000269|PubMed:38718836, ECO:0000269|PubMed:9918722
ChainResidueDetails
AHIS115

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: BINDING => ECO:0000269|PubMed:38718836
ChainResidueDetails
AARG21
AASP22
ACYS82
AVAL104

site_idSWS_FT_FI4
Number of Residues1
DetailsMOD_RES: Pyrrolidone carboxylic acid => ECO:0000269|PubMed:2866794
ChainResidueDetails
AGLN1

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING:
ChainResidueDetails
ALYS41

site_idSWS_FT_FI6
Number of Residues1
DetailsCARBOHYD: N-linked (Glc) (glycation) lysine; in vitro => ECO:0000269|PubMed:4030761
ChainResidueDetails
ALYS41

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a4y
ChainResidueDetails
AHIS13
AHIS115
ALYS41

site_idMCSA1
Number of Residues2
DetailsM-CSA 564
ChainResidueDetails
AHIS13increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
AHIS115increase nucleophilicity, promote heterolysis, proton acceptor, proton donor

site_idMCSA2
Number of Residues1
DetailsM-CSA 164
ChainResidueDetails
ALYS41electrostatic stabiliser, hydrogen bond donor

235458

PDB entries from 2025-04-30

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