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4BPU

Crystal structure of human primase in heterodimeric form, comprising PriS and truncated PriL lacking the C-terminal Fe-S domain.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000287molecular_functionmagnesium ion binding
A0000428cellular_componentDNA-directed RNA polymerase complex
A0003899molecular_functionDNA-directed RNA polymerase activity
A0005515molecular_functionprotein binding
A0005654cellular_componentnucleoplasm
A0005658cellular_componentalpha DNA polymerase:primase complex
A0006260biological_processDNA replication
A0006269biological_processDNA replication, synthesis of primer
A0006270biological_processDNA replication initiation
A0008270molecular_functionzinc ion binding
A0016020cellular_componentmembrane
A0016740molecular_functiontransferase activity
A0016779molecular_functionnucleotidyltransferase activity
A0032553molecular_functionribonucleotide binding
A0046872molecular_functionmetal ion binding
B0006269biological_processDNA replication, synthesis of primer
C0000287molecular_functionmagnesium ion binding
C0000428cellular_componentDNA-directed RNA polymerase complex
C0003899molecular_functionDNA-directed RNA polymerase activity
C0005515molecular_functionprotein binding
C0005654cellular_componentnucleoplasm
C0005658cellular_componentalpha DNA polymerase:primase complex
C0006260biological_processDNA replication
C0006269biological_processDNA replication, synthesis of primer
C0006270biological_processDNA replication initiation
C0008270molecular_functionzinc ion binding
C0016020cellular_componentmembrane
C0016740molecular_functiontransferase activity
C0016779molecular_functionnucleotidyltransferase activity
C0032553molecular_functionribonucleotide binding
C0046872molecular_functionmetal ion binding
D0006269biological_processDNA replication, synthesis of primer
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 1409
ChainResidue
ACYS121
ACYS122
ACYS128
ACYS131

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN C 1409
ChainResidue
CCYS121
CCYS122
CCYS128
CCYS131

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE GOL A 1410
ChainResidue
AVAL118
ALYS242
ATYR300
AASP117

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1411
ChainResidue
AGLU224
ATRP269
ALYS273
AGLU293
AMET297

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1412
ChainResidue
ALYS153
AHIS154
AARG155
APHE398
AASN401

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1413
ChainResidue
ATYR159
AARG329
APRO344
APHE345
AHOH2059

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues20
DetailsMotif: {"description":"Zinc knuckle motif","evidences":[{"source":"PubMed","id":"24043831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25550159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26975377","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24043831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31479243","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31479243","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"6R4S","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues8
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24043831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"25550159","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26975377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31479243","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"24043831","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24239947","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"31479243","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"31479243","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

246905

PDB entries from 2025-12-31

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