NDB ID: PD0255


Title:HUMAN DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX
Molecular Description:
DNA TOPOISOMERASE I (E.C.5.99.1.2)/DNA Complex
Structural Features:B DOUBLE HELIX
Nucleic Acid Sequence:
ChainB:Click here for sequence.
ChainC:Click here for sequence.
ChainD:Click here for sequence.
Protein Sequence:
ChainA: Click here for sequence.
Primary Citation:Staker, B.L., Hjerrild, K., Feese, M.D., Behnke, C.A., Burgin Jr., A.B., Stewart, L.J.
The mechanism of topoisomerase I poisoning by a camptothecin analog
Proc.Natl.Acad.Sci.USA , 99, pp. 15387 - 15392, 2002.
Experimental Information:X-RAY DIFFRACTION
Space Group: 32
Cell Constants:
a = 73.235b = 73.235c = 186.632(Ångstroms)
= 90.00 = 90.00 = 120.00(degrees)
Refinement:The structure was refined using the CNX program. The R value is 21.7 for 17874 reflections in the resolution range 50. to 3.20 Ångstroms with Fobs > 0. sigma(Fobs).

Biological Assembly 1
Other Views
Asymmetric Unit
Enlarge Biological Assembly 1



Coordinate + Structure Data

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

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

Biological Assembly 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 RCSB Protein Data Bank: 1K4S

PubMed: 12426403




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