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4O89

Crystal structure of RtcA, the RNA 3'-terminal phosphate cyclase from Pyrococcus horikoshii.

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0003963molecular_functionRNA-3'-phosphate cyclase activity
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0006396biological_processRNA processing
A0016874molecular_functionligase activity
B0003824molecular_functioncatalytic activity
B0003963molecular_functionRNA-3'-phosphate cyclase activity
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0006396biological_processRNA processing
B0016874molecular_functionligase activity
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE CIT A 401
ChainResidue
AGLY13
BPRO198
BHIS200
AGLN14
AARG17
AARG36
AARG39
AHIS48
ATRP125
AHOH504
AHOH787

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE CIT B 401
ChainResidue
BGLY12
BGLY13
BARG17
BARG36
BARG39
BGLN47
BHIS48
BHOH691
BHOH730

Functional Information from PROSITE/UniProt
site_idPS01287
Number of Residues11
DetailsRTC RNA 3'-terminal phosphate cyclase signature. RGhyPkGGGiV
ChainResidueDetails
AARG154-VAL164

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Tele-AMP-histidine intermediate => ECO:0000250
ChainResidueDetails
AHIS307
BHIS307

site_idSWS_FT_FI2
Number of Residues4
DetailsBINDING: BINDING => ECO:0000250
ChainResidueDetails
BGLN100
BPHE283
AGLN100
APHE283

219140

PDB entries from 2024-05-01

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