Structure of PDB 3qsb Chain A

Receptor sequence
>3qsbA (length=366) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
MKFTVEREHLLKPLQQVSGPLGGRPTLPILGNLLLQVADGTLSLTGTDLE
MEMVARVALVQPHEPGATTVPARKFFDICRGLPEGAEIAVQLEGERMLVR
SGRSRFSLSTLPAADFPNLDDWQSEVEFTLPQATMKRLIEATQFSMAHQD
VRYYLNGMLFETEGEELRTVATDGHRLAVCSMPIGQSLPSHSVIVPRKGV
IELMRMLDGGDNPLRVQIGSNNIRAHVGDFIFTSKLVDGRFPDYRRVLPK
NPDKHLEAGCDLLKQAFARAAILSNEKFRGVRLYVSENQLKITANNPEQE
EAEEILDVTYSGAEMEIGFNVSYVLDVLNALKCENVRMMLTDSVSSVQIE
DAASQSAAYVVMPMRL
3D structure
PDB3qsb Binding inhibitors of the bacterial sliding clamp by design
ChainA
Resolution1.9 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 2.7.7.7: DNA-directed DNA polymerase.
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 743 A T172 G174 V247 V360 M362 T172 G174 V247 V360 M362 MOAD: ic50=8.3uM
PDBbind-CN: -logKd/Ki=5.08,IC50=8.3uM
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003887 DNA-directed DNA polymerase activity
GO:0005515 protein binding
GO:0008408 3'-5' exonuclease activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0006260 DNA replication
GO:0006261 DNA-templated DNA replication
GO:0006271 DNA strand elongation involved in DNA replication
GO:0006974 DNA damage response
GO:0030174 regulation of DNA-templated DNA replication initiation
GO:0032297 negative regulation of DNA-templated DNA replication initiation
GO:0042276 error-prone translesion synthesis
GO:0044787 bacterial-type DNA replication
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0009360 DNA polymerase III complex
GO:0030894 replisome
GO:1990078 replication inhibiting complex
GO:1990085 Hda-beta clamp complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:3qsb, PDBe:3qsb, PDBj:3qsb
PDBsum3qsb
PubMed21604761
UniProtP0A988|DPO3B_ECOLI Beta sliding clamp (Gene Name=dnaN)

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