NDB ID: PD0044


Title:HELICASE SUBSTRATE COMPLEX
Molecular Description:HELICASE PCRA (E.C. 3.6.1.-)/DNA COMPLEX
Structural Features:RH DOUBLE HELIX, FLIPPED-OUT BASES, OVERHANGING BASES
Nucleic Acid Sequence:
ChainY:Click here for sequence.
ChainZ:Click here for sequence.
Protein Sequence:
ChainA: Click here for sequence.
Primary Citation:Velankar, S.S., Soultanas, P., Dillingham, M.S., Subramanya, H.S., Wigley, D.B.
Crystal structures of complexes of PcrA DNA helicase with a DNA substrate indicate an inchworm mechanism
Cell (Cambridge,Mass.) , 97, pp. 75 - 98, 1999.
Experimental Information:X-RAY DIFFRACTION
Space Group: 61   2
Cell Constants:
a = 105.120b = 105.120c = 380.800(Ångstroms)
= 90.00 = 90.00 = 120.00(degrees)
Refinement:The structure was refined using the REFMAC program. The R value is 23.6 for 17365 reflections in the resolution range 10.0 to 3.3 Ångstroms with Fobs > 0.0 sigma(Fobs).

Biological Unit 1
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Asymmetric Unit
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Coordinate + Structure Data

Asymmetric Unit coordinates (pdb format, Unix compressed(.gz))

Asymmetric Unit coordinates (cif format, Unix compressed(.gz))

Biological Unit coordinates (pdb format)

XML | Complete with coordinates (xml format, GNU compressed(.gz))
XML | Coordinates only (xml format, GNU compressed(.gz))
XML | Header only (xml format, GNU compressed(.gz))

Derivative Data

Nucleic Acid Backbone Torsions

Base Pair Parameters

Base Pair Step Parameters

Hydrogen Bonding Classification

Links

The Protein Data Bank: 3PJR

PubMed: 10199404




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