Structure of PDB 3q4l Chain B

Receptor sequence
>3q4lB (length=363) Species: 83333 (Escherichia coli K-12) [Search protein sequence]
AMKFTVEREHLLKPLQQVSGPLPTLPILGNLLLQVADGTLSLTGTDLEME
MVARVALVQPHEPGATTVPARKFFDICRGLPEGAEIAVQLEGERMLVRSG
RSRFSLSTLPAADFPNLDDWQSEVEFTLPQATMKRLIEATQFSMAHQDVR
YYLNGMLFETEGEELRTVATDGHRLAVCSMPIGQSLPSHSVIVPRKGVIE
LMRMLDGGDNPLRVQIGSNNIRAHVGDFIFTSKLVDGRFPDYRRVLPKNP
DKHLEAGCDLLKQAFARAAILSNEKFRGVRLYVSENQLKITANNPEQEEA
EEILDVTYSGAEMEIGFNVSYVLDVLNALKCENVRMMLTDSVSSVQIEDA
ASQSAAYVVMPMR
3D structure
PDB3q4l Structure-based design of short peptide ligands binding onto the E. coli processivity ring.
ChainB
Resolution1.95 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 peptide B T172 G174 H175 R176 L177 P242 D243 Y244 V247 Y323 V344 M362 P363 M364 R365 T170 G172 H173 R174 L175 P240 D241 Y242 V245 Y321 V342 M360 P361 M362 R363
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:3q4l, PDBe:3q4l, PDBj:3q4l
PDBsum3q4l
PubMed21619076
UniProtP0A988|DPO3B_ECOLI Beta sliding clamp (Gene Name=dnaN)

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