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NDB ID: PH0009    PDB ID: 1S76 


Title:

T7 RNA POLYMERASE ALPHA BETA METHYLENE ATP ELONGATION COMPLEX

Molecular Description:

PROTEIN/DNA Complex

Structural Keywords:

RH DOUBLE HELIX, OPEN HELIX, FLIPPED-OUT BASES

Nucleic Acid Sequence:

Click to show/hide 3 nucleic acid sequences

Protein Sequence:

Click to show/hide 1 protein sequences

Primary Citation:

Yin, Y.W., Steitz, T.A.
The structural mechanism of translocation and helicase activity in T7 RNA polymerase. 
Cell(Cambridge,Mass.), 116, pp. 393 - 404, 2004.

Experimental Information:

X-RAY DIFFRACTION

Space Group:

C 2 2 21

Cell Constants:

a = 138.72   b = 143.32   c = 146.65 (Ångstroms)

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

Refinement:

The structure was refined using the CNS 1.1 program. The R value is 0.248 for 33378 reflections in the resolution range 30.0 to 2.88 Ångstroms with Fobs >  0.0 sigma(Fobs) and with I >  0.0 sigma(I)