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1LOY

X-ray structure of the H40A/E58A mutant of Ribonuclease T1 complexed with 3'-guanosine monophosphate

Functional Information from GO Data
ChainGOidnamespacecontents
A0001411cellular_componenthyphal tip
A0003723molecular_functionRNA binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004540molecular_functionRNA nuclease activity
A0008150biological_processbiological_process
A0016787molecular_functionhydrolase activity
A0016829molecular_functionlyase activity
A0030428cellular_componentcell septum
A0046589molecular_functionribonuclease T1 activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 105
ChainResidue
AASP15
AHOH216
AHOH217
AHOH218
AHOH219
AHOH222

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 3GP A 106
ChainResidue
AASN44
ATYR45
AGLU46
AASP49
AHIS92
AASN98
APHE100
AHOH203
AHOH244
ALYS41
ATYR42
AASN43

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:2844811
ChainResidueDetails
AALA40

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000269|PubMed:2844811
ChainResidueDetails
AALA58

site_idSWS_FT_FI3
Number of Residues1
DetailsACT_SITE: Proton donor
ChainResidueDetails
AHIS92

Catalytic Information from CSA
site_idMCSA1
Number of Residues6
DetailsM-CSA 414
ChainResidueDetails
ATYR38electrostatic stabiliser
AALA40proton shuttle (general acid/base)
AALA58proton shuttle (general acid/base)
AARG77electrostatic stabiliser
AHIS92proton shuttle (general acid/base)
APHE100electrostatic stabiliser

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PDB entries from 2024-04-17

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