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4B36

Crystal Structure of Human Angiogenin with an Engineered Loop Exhibits Conformational Flexibility at the Functional Regions of the Molecule

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
B0003676molecular_functionnucleic acid binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 1125
ChainResidue
AARG32
AARG33
BARG32
BARG33

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CL B 1126
ChainResidue
BHIS13
BASN43
BTHR44
BARG123

Functional Information from PROSITE/UniProt
site_idPS00127
Number of Residues7
DetailsRNASE_PANCREATIC Pancreatic ribonuclease family signature. CKdiNTF
ChainResidueDetails
ACYS39-PHE45

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton acceptor => ECO:0000269|PubMed:11468363, ECO:0000269|PubMed:38718836, ECO:0000269|PubMed:9918722
ChainResidueDetails
AHIS13
BHIS13

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Proton donor => ECO:0000269|PubMed:11468363, ECO:0000269|PubMed:38718836, ECO:0000269|PubMed:9918722
ChainResidueDetails
AHIS116
BHIS116

site_idSWS_FT_FI3
Number of Residues8
DetailsBINDING: BINDING => ECO:0000269|PubMed:38718836
ChainResidueDetails
AARG21
AASP22
ACYS81
AVAL105
BARG21
BASP22
BCYS81
BVAL105

site_idSWS_FT_FI4
Number of Residues2
DetailsMOD_RES: Pyrrolidone carboxylic acid => ECO:0000269|PubMed:2866794
ChainResidueDetails
AGLN1
BGLN1

Catalytic Information from CSA
site_idMCSA1
Number of Residues3
DetailsM-CSA 564
ChainResidueDetails
AHIS13increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
ALYS40electrostatic stabiliser
AHIS116increase nucleophilicity, promote heterolysis, proton acceptor, proton donor

site_idMCSA2
Number of Residues3
DetailsM-CSA 564
ChainResidueDetails
BHIS13increase nucleophilicity, promote heterolysis, proton acceptor, proton donor
BLYS40electrostatic stabiliser
BHIS116increase nucleophilicity, promote heterolysis, proton acceptor, proton donor

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PDB entries from 2025-02-12

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