Structure of PDB 5exr Chain A

Receptor sequence
>5exrA (length=389) Species: 9606 (Homo sapiens) [Search protein sequence]
METFDPTELPELLKLYYRRLFPYSQYYRWLNYGGVIKNYFQHREFSFTLK
DDIYIRYQSFNNQSDLEKEMQKMNPYKIDIGAVYSHRPNQHNTVKLGAFQ
AQEKELVFDIDMTDYDDVRRCCSSADICPKCWTLMTMAIRIIDRALKEDF
GFKHRLWVYSGRRGVHCWVCDESVRKLSSAVRSGIVEYLSLVKGGQDVKK
KVHLSEKIHPFIRKSINIIKKYFEEYALVNQDILENKESWDKILALVPET
IHDELQQSFQKSHNSLQRWEHLKKVASRYQNNIGPWLEWEIMLQYCFPRL
DINVSKGINHLLKSPFSVHPKTGRISVPIDLQKVDQFDPFTVPTISFICR
ELDAIRTRDYKKTSLAPYVKVFEHFLENLDKSRKGELLK
3D structure
PDB5exr Mechanism of Concerted RNA-DNA Primer Synthesis by the Human Primosome.
ChainA
Resolution3.6 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.7.102: DNA primase AEP.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 ZN A C121 C122 C131 C121 C122 C131
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003896 DNA primase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0016779 nucleotidyltransferase activity
GO:0032553 ribonucleotide binding
GO:0046872 metal ion binding
Biological Process
GO:0006260 DNA replication
GO:0006269 DNA replication, synthesis of primer
GO:0006270 DNA replication initiation
Cellular Component
GO:0000428 DNA-directed RNA polymerase complex
GO:0005654 nucleoplasm
GO:0005658 alpha DNA polymerase:primase complex
GO:0016020 membrane
GO:1990077 primosome complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:5exr, PDBe:5exr, PDBj:5exr
PDBsum5exr
PubMed26975377
UniProtP49642|PRI1_HUMAN DNA primase small subunit (Gene Name=PRIM1)

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