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1RGA

CRYSTAL STRUCTURE OF RNASE T1 WITH 3'-GMP AND GUANOSINE: A PRODUCT COMPLEX

Functional Information from GO Data
ChainGOidnamespacecontents
A0001411cellular_componenthyphal tip
A0003723molecular_functionRNA binding
A0004521molecular_functionRNA endonuclease activity
A0004540molecular_functionRNA nuclease activity
A0030428cellular_componentcell septum
A0046589molecular_functionribonuclease T1 activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 107
ChainResidue
AASP15
AHOH137
AHOH141
AHOH167
AHOH169
AHOH171
AHOH205

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE 3GP A 105
ChainResidue
AASN36
ATYR38
AHIS40
ALYS41
ATYR42
AASN43
AASN44
ATYR45
AGLU46
AASP49
AGLU58
AARG77
AHIS92
AASN98
APHE100
AGMP106
AHOH230

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE GMP A 106
ChainResidue
AALA1
AASP29
AGLY47
APHE48
AASP49
ASER72
AGLY74
AALA75
AARG77
AHIS92
AGLY97
AASN98
A3GP105
AHOH148
AHOH156
AHOH230

site_idBI1
Number of Residues5
Details
ChainResidue
AGLU46
ATYR42
AASN43
AASN44
ATYR45

site_idBI2
Number of Residues2
Details
ChainResidue
AARG77
AHIS92

site_idCAL
Number of Residues1
Details
ChainResidue
AASP15

site_idCAT
Number of Residues5
Details
ChainResidue
ATYR38
AHIS40
AGLU58
AARG77
AHIS92

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"evidences":[{"source":"PubMed","id":"2844811","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"2844811","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues3
DetailsAnnotated By Reference To The Literature 1b2m
ChainResidueDetails
AGLU58
AHIS40
AHIS92

site_idMCSA1
Number of Residues6
DetailsM-CSA 414
ChainResidueDetails
ATYR38electrostatic stabiliser
AHIS40proton shuttle (general acid/base)
AGLU58proton shuttle (general acid/base)
AARG77electrostatic stabiliser
AHIS92proton shuttle (general acid/base)
APHE100electrostatic stabiliser

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PDB entries from 2026-03-25

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