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Calcium in PDB 1dyh: Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications

Enzymatic activity of Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications

All present enzymatic activity of Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications:
1.5.1.3;

Protein crystallography data

The structure of Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications, PDB code: 1dyh was solved by V.M.Reyes, J.Kraut, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) N/A / 1.90
Space group P 61
Cell size a, b, c (Å), α, β, γ (°) 93.205, 93.205, 73.942, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Other elements in 1dyh:

The structure of Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications also contains other interesting chemical elements:

Chlorine (Cl) 2 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications (pdb code 1dyh). 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 Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications, PDB code: 1dyh:

Calcium binding site 1 out of 1 in 1dyh

Go back to Calcium Binding Sites List in 1dyh
Calcium binding site 1 out of 1 in the Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5- Deazafolate and 5,10-Dideazatetrahydrofolate: Mechanistic Implications within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca420

b:8.4
occ:1.00
 O B:HOH476 2.3 27.3 1.0
O B:SER135 2.3 12.4 1.0
O B:HOH461 2.3 9.9 1.0
C B:SER135 3.5 10.4 1.0
O B:HOH460 3.7 33.8 1.0
CA B:VAL136 4.3 8.4 1.0
N B:VAL136 4.4 9.2 1.0
CA B:SER135 4.5 12.4 1.0
CB B:SER135 4.6 12.6 1.0
OE2 B:GLU134 4.6 18.3 1.0
N B:SER135 4.7 13.8 1.0
CG B:GLU134 4.8 13.0 1.0
O B:HOH463 4.8 23.1 1.0
OG B:SER135 4.9 10.5 1.0
C B:VAL136 5.0 12.1 1.0

Reference:

V.M.Reyes, M.R.Sawaya, K.A.Brown, J.Kraut. Isomorphous Crystal Structures of Escherichia Coli Dihydrofolate Reductase Complexed with Folate, 5-Deazafolate, and 5,10-Dideazatetrahydrofolate: Mechanistic Implications. Biochemistry V. 34 2710 1995.
ISSN: ISSN 0006-2960
PubMed: 7873554
DOI: 10.1021/BI00008A039
Page generated: Mon Jul 7 14:30:45 2025

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