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2Q5E

Crystal structure of human carboxy-terminal domain RNA polymerase II polypeptide A small phosphatase 2

Functional Information from GO Data
ChainGOidnamespacecontents
A0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
A0016791molecular_functionphosphatase activity
B0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
B0016791molecular_functionphosphatase activity
C0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
C0016791molecular_functionphosphatase activity
D0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
D0016791molecular_functionphosphatase activity
E0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
E0016791molecular_functionphosphatase activity
F0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
F0016791molecular_functionphosphatase activity
G0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
G0016791molecular_functionphosphatase activity
H0008420molecular_functionRNA polymerase II CTD heptapeptide repeat phosphatase activity
H0016791molecular_functionphosphatase activity
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 1
ChainResidue
AASP107
AASP109
AASN218

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 1
ChainResidue
BASP107
BASP109
BASN218
BSER219
BHOH275
BHOH280

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG C 1
ChainResidue
CASP107
CASP109
CASN218

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG D 1
ChainResidue
DASP107
DASP109
DTHR111
DASN218

site_idAC5
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG E 1
ChainResidue
EASP107
EASP109
ETHR111
EASN218

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG F 1
ChainResidue
FASP107
FASP109
FASP217
FASN218

site_idAC7
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG G 1
ChainResidue
GASP107
GASP109
GTHR111
GASP217
GASN218
GSER219

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG H 1
ChainResidue
HASP107
HASP109
HASN218

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues316
DetailsDomain: {"description":"FCP1 homology","evidences":[{"source":"PROSITE-ProRule","id":"PRU00336","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsActive site: {"description":"4-aspartylphosphate intermediate","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsActive site: {"description":"Proton donor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"18058037","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues16
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

246031

PDB entries from 2025-12-10

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