Structure of PDB 1qhh Chain A

Receptor sequence
>1qhhA (length=164) Species: 1422 (Geobacillus stearothermophilus) [Search protein sequence]
MNFLSEQLLAHLNKEQQEAVRTTEGPLLIMAGAGSGKTRVLTHRIAYLMA
EKHVAPWNILAITFTNKAAREMRERVQSLLGGAAEDVWISTFHSMCVRIL
RRDIDRIGINRNFSILDPTDQLSVMKTILKEKNIDPKKFEPRTILGTISA
AKNELLPPEQFAKR
3D structure
PDB1qhh DNA binding mediates conformational changes and metal ion coordination in the active site of PcrA helicase.
ChainA
Resolution2.5 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K37 T38
Catalytic site (residue number reindexed from 1) K37 T38
Enzyme Commision number 5.6.2.4: DNA 3'-5' helicase.
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 ATP A L12 Q16 G34 R39 L12 Q16 G34 R39
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003678 DNA helicase activity
GO:0005524 ATP binding

View graph for
Molecular Function
External links
PDB RCSB:1qhh, PDBe:1qhh, PDBj:1qhh
PDBsum1qhh
PubMed10388562
UniProtP56255|PCRA_GEOSE ATP-dependent DNA helicase PcrA (Gene Name=pcrA)

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