Calcium in PDB 1dhj: Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase

Enzymatic activity of Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase

All present enzymatic activity of Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase:
1.5.1.3;

Protein crystallography data

The structure of Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase, PDB code: 1dhj was solved by K.A.Brown, J.Kraut, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	N/A / 1.80
*Space group*	P 6₁
*Cell size a, b, c (Å), α, β, γ (°)*	92.490, 92.490, 73.720, 90.00, 90.00, 120.00
*R / R_free (%)*	n/a / n/a

Other elements in 1dhj:

The structure of Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase also contains other interesting chemical elements:

Chlorine

(Cl)

2 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase (pdb code 1dhj). 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 Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase, PDB code: 1dhj:

Calcium binding site 1 out of 1 in 1dhj

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Calcium Binding Sites List in 1dhj

Calcium binding site 1 out of 1 in the Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Ca620 b:18.2 occ:1.00	O	B:SER135	2.2	17.0	1.0
	O	B:HOH676	2.3	28.2	1.0
	O	B:HOH660	2.4	11.8	1.0
	O	B:HOH659	3.2	34.2	1.0
	C	B:SER135	3.4	11.4	1.0
	CA	B:VAL136	4.3	13.3	1.0
	N	B:VAL136	4.3	7.9	1.0
	CA	B:SER135	4.4	13.7	1.0
	CB	B:SER135	4.4	10.5	1.0
	N	B:SER135	4.7	15.9	1.0
	C	B:VAL136	4.7	16.0	1.0
	OG	B:SER135	4.8	14.0	1.0
	O	B:HOH662	4.8	22.6	1.0
	OE2	B:GLU134	4.8	16.7	1.0

Reference:

K.A.Brown, E.E.Howell, J.Kraut. Long-Range Structural Effects in A Second-Site Revertant of A Mutant Dihydrofolate Reductase. Proc.Natl.Acad.Sci.Usa V. 90 11753 1993.
ISSN: ISSN 0027-8424
PubMed: 8265622
DOI: 10.1073/PNAS.90.24.11753

Page generated: Mon Jul 7 14:25:34 2025

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