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NDB ID: PH0002    PDB ID: 1QLN 


Title:

STRUCTURE OF A TRANSCRIBING T7 RNA POLYMERASE INITIATION COMPLEX

Molecular Description:

BACTERIOPHAGE T7 RNA POLYMERASE (E.C.2.7.7.6)

Structural Keywords:

B DOUBLE HELIX

Nucleic Acid Sequence:

Click to show/hide 3 nucleic acid sequences

Protein Sequence:

Click to show/hide 1 protein sequences

Primary Citation:

Cheetham, G.M.T., Steitz, T.A.
Structure of a Transcribing T7 RNA Polymerase Initiation Complex 
Science, 286, pp. 2305 - , 1999.

Experimental Information:

X-RAY DIFFRACTION

Space Group:

P 21 21 2

Cell Constants:

a = 221.2   b = 73.6   c = 80.9 (Ångstroms)

α = 90.0   β = 90.0   γ = 90.0 (degrees)

Refinement:

The structure was refined using the CNS 0.5 program. The R value is 0.223 for 51475 reflections in the resolution range 40.0 to 2.4 Ångstroms with Fobs >  3.0 sigma(Fobs) and with I >  0.0 sigma(I)