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Calcium in PDB 6dfr: Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State

Enzymatic activity of Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State

All present enzymatic activity of Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State:
1.5.1.3;

Protein crystallography data

The structure of Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State, PDB code: 6dfr was solved by C.Bystroff, S.J.Oatley, J.Kraut, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 2.40
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 34.853, 59.000, 81.282, 90.00, 90.00, 90.00
R / Rfree (%) n/a / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State (pdb code 6dfr). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State, PDB code: 6dfr:

Calcium binding site 1 out of 1 in 6dfr

Go back to Calcium Binding Sites List in 6dfr
Calcium binding site 1 out of 1 in the Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structures of Escherichia Coli Dihydrofolate Reductase. the Nadp+ Holoenzyme and the Folate(Dot)Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca350

b:63.8
occ:1.00
 O A:HOH343 3.5 42.8 1.0
O A:ILE94 3.6 10.9 1.0
CG2 A:THR46 3.7 7.3 1.0
OG1 A:THR46 3.8 11.8 1.0
CB A:THR46 4.3 10.5 1.0
O A:HOH349 4.3 28.5 1.0
O4D A:NAP164 4.4 47.8 1.0
CA A:GLY95 4.6 7.6 1.0
C A:ILE94 4.7 12.5 1.0
CA A:GLY96 4.7 7.0 1.0
OH A:TYR100 4.8 13.4 1.0
C A:GLY95 5.0 12.2 1.0

Reference:

C.Bystroff, S.J.Oatley, J.Kraut. Crystal Structures of Escherichia Coli Dihydrofolate Reductase: the Nadp+ Holoenzyme and the Folate.Nadp+ Ternary Complex. Substrate Binding and A Model For the Transition State. Biochemistry V. 29 3263 1990.
ISSN: ISSN 0006-2960
PubMed: 2185835
DOI: 10.1021/BI00465A018
Page generated: Wed Jul 9 13:25:27 2025

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