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Arsenic in PDB 1gq8: Pectin Methylesterase From Carrot

Enzymatic activity of Pectin Methylesterase From Carrot

All present enzymatic activity of Pectin Methylesterase From Carrot:
3.1.1.11;

Protein crystallography data

The structure of Pectin Methylesterase From Carrot, PDB code: 1gq8 was solved by K.Johansson, M.El-Ahmad, R.Friemann, H.Jornvall, O.Markovic, H.Eklund, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 24.26 / 1.75
Space group P 21 21 2
Cell size a, b, c (Å), α, β, γ (°) 77.690, 89.410, 49.500, 90.00, 90.00, 90.00
R / Rfree (%) 18.1 / 19.3

Arsenic Binding Sites:

The binding sites of Arsenic atom in the Pectin Methylesterase From Carrot (pdb code 1gq8). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 2 binding sites of Arsenic where determined in the Pectin Methylesterase From Carrot, PDB code: 1gq8:
Jump to Arsenic binding site number: 1; 2;

Arsenic binding site 1 out of 2 in 1gq8

Go back to Arsenic Binding Sites List in 1gq8
Arsenic binding site 1 out of 2 in the Pectin Methylesterase From Carrot


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Pectin Methylesterase From Carrot within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As501

b:4.3
occ:1.00
AS A:CAC501 0.0 4.3 1.0
O2 A:CAC501 1.6 14.4 1.0
O1 A:CAC501 1.6 14.0 1.0
C1 A:CAC501 1.9 12.0 1.0
C2 A:CAC501 1.9 14.9 1.0
OD2 A:ASP157 3.9 7.9 1.0
O A:HOH2345 3.9 21.2 1.0
OD2 A:ASP136 4.0 8.1 1.0
OD1 A:ASP136 4.0 9.0 1.0
CG A:ASP136 4.4 8.8 1.0
CG A:ASP157 4.7 7.5 1.0
NE2 A:GLN113 4.8 15.4 1.0
CE2 A:TRP227 4.8 13.4 1.0
CB A:ASP157 4.8 5.9 1.0
CZ2 A:TRP227 4.9 14.2 1.0
NE2 A:GLN135 4.9 12.3 1.0
NE1 A:TRP227 5.0 12.6 1.0
CG A:GLN113 5.0 11.0 1.0
CD1 A:PHE160 5.0 7.5 1.0

Arsenic binding site 2 out of 2 in 1gq8

Go back to Arsenic Binding Sites List in 1gq8
Arsenic binding site 2 out of 2 in the Pectin Methylesterase From Carrot


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Pectin Methylesterase From Carrot within 5.0Å range:
probe atom residue distance (Å) B Occ
A:As502

b:24.6
occ:1.00
AS A:CAC502 0.0 24.6 1.0
O1 A:CAC502 1.6 28.9 1.0
O2 A:CAC502 1.6 29.1 1.0
C1 A:CAC502 1.9 27.1 1.0
C2 A:CAC502 1.9 27.8 1.0
O A:HOH2080 3.8 29.6 1.0

Reference:

K.Johansson, M.El-Ahmad, R.Friemann, H.Jornvall, O.Markovic, H.Eklund. Crystal Structure of Plant Pectin Methylesterase Febs Lett. V. 514 243 2002.
ISSN: ISSN 0014-5793
PubMed: 11943159
DOI: 10.1016/S0014-5793(02)02372-4
Page generated: Tue Oct 27 16:46:40 2020

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