Calcium in PDB 3ecj: Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution

Enzymatic activity of Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution

All present enzymatic activity of Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution:
1.13.11.15;

Protein crystallography data

The structure of Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution, PDB code: 3ecj was solved by E.G.Kovaleva, J.D.Lipscomb, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	23.46 / 1.65
*Space group*	P 2₁ 2₁ 2
*Cell size a, b, c (Å), α, β, γ (°)*	110.711, 163.403, 101.584, 90.00, 90.00, 90.00
*R / R_free (%)*	16.9 / 19.4

Other elements in 3ecj:

The structure of Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution also contains other interesting chemical elements:

Iron	(Fe)	4 atoms
Chlorine	(Cl)	4 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution (pdb code 3ecj). 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 Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution, PDB code: 3ecj:

Calcium binding site 1 out of 1 in 3ecj

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Calcium Binding Sites List in 3ecj

Calcium binding site 1 out of 1 in the Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of E323L Mutant of Homoprotocatechuate 2,3-Dioxygenase From Brevibacterium Fuscum at 1.65A Resolution within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Ca501 b:15.3 occ:1.00	OE2	B:GLU185	2.3	21.9	1.0
	OD1	B:ASP184	2.4	12.6	1.0
	O	B:HOH697	2.5	19.9	1.0
	CG	B:ASP184	3.3	13.7	1.0
	CD	B:GLU185	3.4	23.6	1.0
	OD2	B:ASP184	3.6	14.9	1.0
	CG	B:GLU185	3.8	19.8	1.0
	O	B:HOH995	4.1	38.2	1.0
	O	B:HOH949	4.4	28.7	1.0
	NE2	B:HIS288	4.4	14.4	1.0
	OE1	B:GLU185	4.4	24.0	1.0
	N	B:ASP184	4.7	10.5	1.0
	CB	B:GLU185	4.7	17.0	1.0
	CB	B:ASP184	4.7	12.6	1.0
	N	B:GLU185	4.9	15.0	1.0
	O	B:HOH900	4.9	32.8	1.0
	OD2	B:ASP183	4.9	15.8	1.0
	CB	B:ASP183	4.9	11.9	1.0
	CG	B:ASP183	5.0	12.6	1.0

Reference:

E.G.Kovaleva, J.D.Lipscomb. Intermediate in the O-O Bond Cleavage Reaction of An Extradiol Dioxygenase. Biochemistry V. 47 11168 2008.
ISSN: ISSN 0006-2960
PubMed: 18826259
DOI: 10.1021/BI801459Q

Page generated: Tue Jul 8 11:51:05 2025

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