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1Q79

CRYSTAL STRUCTURE OF MAMMALIAN POLY(A) POLYMERASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0003723molecular_functionRNA binding
A0005634cellular_componentnucleus
A0016779molecular_functionnucleotidyltransferase activity
A0031123biological_processRNA 3'-end processing
A1990817molecular_functionpoly(A) RNA polymerase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 1001
ChainResidue
AASP113
AASP115
AASP167
A3AT1000
AHOH2367

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MN A 1002
ChainResidue
AASP113
AASP115
A3AT1000
AHOH2201

site_idAC3
Number of Residues14
DetailsBINDING SITE FOR RESIDUE 3AT A 1000
ChainResidue
APHE100
AGLY101
ASER102
AASP113
AASP115
AASP167
AVAL247
AMN1001
AMN1002
AHOH2042
AHOH2201
AHOH2329
AHOH2371
AHOH2372

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 3000
ChainResidue
ALYS138
ATRP279
AGLU280
AASN283
AHOH2029
AHOH2059
AHOH2189
AHOH2364

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 3001
ChainResidue
AARG185
AASP187
AGLU209
ALYS288

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 3002
ChainResidue
APHE130
AALA148
AGLU280
AHOH2285

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 3003
ChainResidue
ALYS32
AGLU33
ATHR34
AARG104
AHOH2255
AHOH2258

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 3004
ChainResidue
AGLU33
ALYS96
AILE97
APHE98
ATHR99
AARG104

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues11
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsSite: {"description":"Interaction with RNA","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P51003","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues3
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO)","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1fa0
ChainResidueDetails
ALYS228

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PDB entries from 2025-12-03

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