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2SAR

DETERMINATION AND RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURES OF RIBONUCLEASE SA AND ITS COMPLEX WITH 3'-GUANYLIC ACID AT 1.8 ANGSTROMS RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0004519molecular_functionendonuclease activity
A0004521molecular_functionRNA endonuclease activity
A0004540molecular_functionRNA nuclease activity
A0005576cellular_componentextracellular region
A0016829molecular_functionlyase activity
A0046589molecular_functionribonuclease T1 activity
B0003723molecular_functionRNA binding
B0004519molecular_functionendonuclease activity
B0004521molecular_functionRNA endonuclease activity
B0004540molecular_functionRNA nuclease activity
B0005576cellular_componentextracellular region
B0016829molecular_functionlyase activity
B0046589molecular_functionribonuclease T1 activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 97
ChainResidue
AALA62
AARG63
ATHR64
BARG68

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 97
ChainResidue
BALA62
BARG63
BTHR64
BHOH205

site_idAC3
Number of Residues21
DetailsBINDING SITE FOR RESIDUE 3GP A 98
ChainResidue
AGLN32
AVAL35
APHE37
AGLN38
AASN39
AARG40
AGLU41
AGLU54
AARG65
AARG69
AHIS85
ATYR86
AHOH164
AHOH211
AHOH212
BSER3
BGLY4
BTHR5
BALA10
BHOH122
BHOH131

site_idCAA
Number of Residues7
Details
ChainResidue
AGLN32
APHE37
AGLU41
AGLU54
AARG65
AHIS85
ATYR86

site_idCAB
Number of Residues7
Details
ChainResidue
BGLU41
BGLU54
BARG65
BHIS85
BTYR86
BGLN32
BPHE37

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton acceptor
ChainResidueDetails
AGLU54
BGLU54

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Proton donor
ChainResidueDetails
AHIS85
BHIS85

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1c54
ChainResidueDetails
AHIS85
AGLU54
AARG65

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1c54
ChainResidueDetails
BHIS85
BGLU54
BARG65

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PDB entries from 2024-07-10

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