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1RGC

THE COMPLEX BETWEEN RIBONUCLEASE T1 AND 3'-GUANYLIC ACID SUGGESTS GEOMETRY OF ENZYMATIC REACTION PATH. AN X-RAY STUDY

Functional Information from GO Data
ChainGOidnamespacecontents
A0001411cellular_componenthyphal tip
A0003723molecular_functionRNA binding
A0004518molecular_functionnuclease activity
A0004519molecular_functionendonuclease activity
A0004521molecular_functionRNA endonuclease activity
A0004540molecular_functionRNA nuclease activity
A0016787molecular_functionhydrolase activity
A0016829molecular_functionlyase activity
A0030428cellular_componentcell septum
A0046589molecular_functionribonuclease T1 activity
B0001411cellular_componenthyphal tip
B0003723molecular_functionRNA binding
B0004518molecular_functionnuclease activity
B0004519molecular_functionendonuclease activity
B0004521molecular_functionRNA endonuclease activity
B0004540molecular_functionRNA nuclease activity
B0016787molecular_functionhydrolase activity
B0016829molecular_functionlyase activity
B0030428cellular_componentcell septum
B0046589molecular_functionribonuclease T1 activity
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE CA A 401
ChainResidue
AASP15
AHOH502
AHOH512
AHOH522
AHOH528
AHOH532
AHOH539

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA B 402
ChainResidue
BHOH596
BHOH599
BHOH607
BHOH608
BASP15
BHOH595

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 3GP A 105
ChainResidue
ATYR38
AHIS40
ALYS41
ATYR42
AASN43
AASN44
ATYR45
AGLU46
AGLU58
AARG77
AHIS92
AASN98
APHE100
AHOH525

site_idAC4
Number of Residues13
DetailsBINDING SITE FOR RESIDUE 3GP B 105
ChainResidue
BTYR38
BTYR42
BASN43
BASN44
BTYR45
BGLU46
BGLU58
BARG77
BHIS92
BASN98
BASN99
BPHE100
BHOH630

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:2844811
ChainResidueDetails
ATYR45
BTYR45

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: Proton acceptor => ECO:0000269|PubMed:2844811
ChainResidueDetails
ASER63
BSER63

site_idSWS_FT_FI3
Number of Residues2
DetailsACT_SITE: Proton donor
ChainResidueDetails
AGLY97
BGLY97

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

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1b2m
ChainResidueDetails
BGLU58
BHIS40
BHIS92

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

site_idMCSA2
Number of Residues6
DetailsM-CSA 414
ChainResidueDetails
BTYR38electrostatic stabiliser
BHIS40proton shuttle (general acid/base)
BGLU58proton shuttle (general acid/base)
BARG77electrostatic stabiliser
BHIS92proton shuttle (general acid/base)
BPHE100electrostatic stabiliser

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PDB entries from 2025-07-02

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