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1Q1Q

Crystal structure of human pregnenolone sulfotransferase (SULT2B1a) in the presence of PAP

Functional Information from GO Data
ChainGOidnamespacecontents
A0003676molecular_functionnucleic acid binding
A0004027molecular_functionalcohol sulfotransferase activity
A0005515molecular_functionprotein binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006629biological_processlipid metabolic process
A0006790biological_processsulfur compound metabolic process
A0008146molecular_functionsulfotransferase activity
A0008202biological_processsteroid metabolic process
A0008203biological_processcholesterol metabolic process
A0008285biological_processnegative regulation of cell population proliferation
A0015485molecular_functioncholesterol binding
A0016740molecular_functiontransferase activity
A0036094molecular_functionsmall molecule binding
A0045606biological_processpositive regulation of epidermal cell differentiation
A0050294molecular_functionsteroid sulfotransferase activity
A0050427biological_process3'-phosphoadenosine 5'-phosphosulfate metabolic process
A0051922molecular_functioncholesterol sulfotransferase activity
A0051923biological_processsulfation
A0070062cellular_componentextracellular exosome
A1990239molecular_functionsteroid hormone binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA A 351
ChainResidue
ASER145
AALA148
ALEU151
AASP153

site_idAC2
Number of Residues18
DetailsBINDING SITE FOR RESIDUE A3P A 352
ChainResidue
ATRP60
AARG132
ASER140
ATYR195
AGLN199
ASER229
APHE231
AMET234
APHE257
ALEU258
AARG259
ALYS260
AGLY261
ALYS55
ASER56
AGLY57
ATHR58
ATHR59

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NHE A 353
ChainResidue
ATYR142
APRO157
ALEU161
AHIS269

site_idAC4
Number of Residues7
DetailsBINDING SITE FOR RESIDUE NHE A 354
ChainResidue
ATYR29
APRO54
ATRP88
ATYR144
AGLN150
AGLN170
APHE171

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"UniProtKB","id":"P49891","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues15
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P49891","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

244693

PDB entries from 2025-11-12

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