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3PGL

Crystal structure of human small C-terminal domain phosphatase 1 (Scp1) bound to rabeprazole

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
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG A 1
ChainResidue
AHOH2
AHOH32
AASP96
AASP98
AASN207
AHOH258

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE RZX A 257
ChainResidue
ATYR158
AARG178
ATYR188
AHOH21
AHOH39
AVAL118

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MG B 1
ChainResidue
BHOH2
BHOH4
BHOH66
BASP96
BASP98
BASN207

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 Residues2
DetailsActive site: {"description":"4-aspartylphosphate intermediate","evidences":[{"source":"PubMed","id":"15304220","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17157258","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PubMed","id":"15304220","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15304220","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"source":"PubMed","id":"15304220","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

240971

PDB entries from 2025-08-27

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