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1RNT

RESTRAINED LEAST-SQUARES REFINEMENT OF THE CRYSTAL STRUCTURE OF THE RIBONUCLEASE T1(ASTERISK)2(PRIME)-GUANYLIC ACID COMPLEX AT 1.9 ANGSTROMS RESOLUTION

Functional Information from GO Data
ChainGOidnamespacecontents
A0001411cellular_componenthyphal tip
A0003723molecular_functionRNA binding
A0004519molecular_functionendonuclease activity
A0004521molecular_functionRNA endonuclease activity
A0004540molecular_functionRNA nuclease activity
A0008150biological_processbiological_process
A0016829molecular_functionlyase activity
A0030428cellular_componentcell septum
A0046589molecular_functionribonuclease T1 activity
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 2GP A 105
ChainResidue
ATYR38
AASN98
APHE100
AHOH158
AHOH179
AHOH186
AHIS40
ATYR42
AASN43
AASN44
ATYR45
AGLU46
AGLU58
AHIS92

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:2844811
ChainResidueDetails
ATYR45

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000269|PubMed:2844811
ChainResidueDetails
ASER63

site_idSWS_FT_FI3
Number of Residues1
DetailsACT_SITE: Proton donor
ChainResidueDetails
AGLY97

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

site_idMCSA1
Number of Residues5
DetailsM-CSA 414
ChainResidueDetails
AASN43electrostatic stabiliser
ATYR45proton shuttle (general acid/base)
ASER63proton shuttle (general acid/base)
AGLU82electrostatic stabiliser
AGLY97proton shuttle (general acid/base)

222415

PDB entries from 2024-07-10

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