Chlorine in PDB 1r8b: Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide

Enzymatic activity of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide

All present enzymatic activity of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide:
2.7.7.25;

Protein crystallography data

The structure of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide, PDB code: 1r8b was solved by Y.Xiong, F.Li, J.Wang, A.M.Weiner, T.A.Steitz, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	38.63 / 2.00
*Space group*	C 1 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	86.402, 79.371, 78.135, 90.00, 97.33, 90.00
*R / R_free (%)*	18.1 / 22.8

Other elements in 1r8b:

The structure of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide also contains other interesting chemical elements:

Magnesium	(Mg)	2 atoms
Manganese	(Mn)	2 atoms
Sodium	(Na)	1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide (pdb code 1r8b). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide, PDB code: 1r8b:

Chlorine binding site 1 out of 1 in 1r8b

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Chlorine Binding Sites List in 1r8b

Chlorine binding site 1 out of 1 in the Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide

Mono view

Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Cl691 b:46.4 occ:1.00	O	A:HOH862	3.1	67.5	1.0
	O	A:HOH649	3.1	33.5	1.0
	NE	A:ARG224	3.4	29.5	1.0
	NH2	A:ARG224	3.7	33.5	1.0
	CD2	A:TYR173	3.7	13.4	1.0
	CE1	A:HIS133	3.9	21.6	1.0
	CZ	A:ARG224	4.0	31.4	1.0
	CG1	A:VAL226	4.0	17.4	1.0
	O	A:HOH603	4.1	69.9	1.0
	O2'	A:ATP501	4.2	38.1	1.0
	CG2	A:VAL226	4.2	15.1	1.0
	CA	A:VAL226	4.2	13.7	1.0
	CE2	A:TYR173	4.3	14.0	1.0
	CD	A:ARG224	4.4	26.2	1.0
	CB	A:VAL226	4.4	15.0	1.0
	CG	A:ARG224	4.4	18.4	1.0
	OD2	A:ASP218	4.4	18.0	1.0
	NE2	A:HIS133	4.5	20.5	1.0
	ND1	A:HIS133	4.7	20.1	1.0
	O	A:VAL226	4.7	13.2	1.0
	CG	A:TYR173	4.7	17.6	1.0
	O	A:HOH814	4.9	35.5	1.0
	CB	A:TYR173	5.0	16.1	1.0

Reference:

Y.Xiong, F.Li, J.Wang, A.M.Weiner, T.A.Steitz. Crystal Structures of An Archaeal Class I Cca-Adding Enzyme and Its Nucleotide Complexes Mol.Cell V. 12 1165 2003.
ISSN: ISSN 1097-2765
PubMed: 14636575
DOI: 10.1016/S1097-2765(03)00440-4

Page generated: Thu Jul 10 19:14:04 2025

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