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Arsenic in PDB 6qph: Dunaliella Minimal Psi Complex

Enzymatic activity of Dunaliella Minimal Psi Complex

All present enzymatic activity of Dunaliella Minimal Psi Complex:
1.97.1.12;

Protein crystallography data

The structure of Dunaliella Minimal Psi Complex, PDB code: 6qph was solved by D.Klaiman, I.Caspy, N.Nelson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 48.95 / 3.40
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 158.881, 100.506, 191.040, 90.00, 91.73, 90.00
R / Rfree (%) 33.7 / 35.6

Other elements in 6qph:

The structure of Dunaliella Minimal Psi Complex also contains other interesting chemical elements:

Magnesium (Mg) 143 atoms
Iron (Fe) 12 atoms
Calcium (Ca) 1 atom

Arsenic Binding Sites:

The binding sites of Arsenic atom in the Dunaliella Minimal Psi Complex (pdb code 6qph). This binding sites where shown within 5.0 Angstroms radius around Arsenic atom.
In total 6 binding sites of Arsenic where determined in the Dunaliella Minimal Psi Complex, PDB code: 6qph:
Jump to Arsenic binding site number: 1; 2; 3; 4; 5; 6;

Arsenic binding site 1 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 1 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 1 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
1:As901

b:0.0
occ:1.00
 AS 1:CAC901 0.0 0.0 1.0
O1 1:CAC901 1.6 0.2 1.0
O2 1:CAC901 1.8 0.5 1.0
C1 1:CAC901 2.0 0.9 1.0
C2 1:CAC901 2.0 0.3 1.0
CG B:PRO485 4.9 99.4 1.0
CA B:PRO485 4.9 0.3 1.0
CB B:PRO485 5.0 0.2 1.0

Arsenic binding site 2 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 2 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 2 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
1:As902

b:0.2
occ:1.00
 AS 1:CAC902 0.0 0.2 1.0
O1 1:CAC902 1.6 0.2 1.0
O2 1:CAC902 1.8 0.3 1.0
C2 1:CAC902 2.0 0.6 1.0
C1 1:CAC902 2.0 1.0 1.0
O1 1:CAC901 4.8 0.2 1.0

Arsenic binding site 3 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 3 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 3 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
3:As901

b:0.4
occ:1.00
 AS 3:CAC901 0.0 0.4 1.0
O1 3:CAC901 1.6 0.5 1.0
O2 3:CAC901 1.8 0.1 1.0
C1 3:CAC901 2.0 0.7 1.0
C2 3:CAC901 2.0 0.3 1.0
O 3:ILE259 3.9 0.7 1.0
O 3:THR260 4.8 0.1 1.0
OE1 A:GLN247 4.9 1.0 1.0

Arsenic binding site 4 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 4 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 4 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
3:As902

b:0.8
occ:1.00
 AS 3:CAC902 0.0 0.8 1.0
O1 3:CAC902 1.6 0.7 1.0
O2 3:CAC902 1.8 0.0 1.0
C2 3:CAC902 2.0 0.5 1.0
C1 3:CAC902 2.0 0.5 1.0
CD1 3:PHE225 3.3 0.9 1.0
CE1 3:PHE225 3.6 0.8 1.0
CG 3:PHE225 4.1 0.8 1.0
CB 3:PHE225 4.5 0.0 1.0
CZ 3:PHE225 4.6 0.5 1.0
CD2 3:PHE225 4.9 0.6 1.0

Arsenic binding site 5 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 5 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 5 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
4:As901

b:0.5
occ:1.00
 AS 4:CAC901 0.0 0.5 1.0
O1 4:CAC901 1.6 0.1 1.0
O2 4:CAC901 1.8 0.2 1.0
C2 4:CAC901 2.0 0.4 1.0
C1 4:CAC901 2.0 0.6 1.0
O32 4:GSH831 4.8 0.2 1.0

Arsenic binding site 6 out of 6 in 6qph

Go back to Arsenic Binding Sites List in 6qph
Arsenic binding site 6 out of 6 in the Dunaliella Minimal Psi Complex


Mono view


Stereo pair view

A full contact list of Arsenic with other atoms in the As binding site number 6 of Dunaliella Minimal Psi Complex within 5.0Å range:
probe atom residue distance (Å) B Occ
4:As902

b:0.3
occ:1.00
 AS 4:CAC902 0.0 0.3 1.0
O1 4:CAC902 1.6 85.4 1.0
O2 4:CAC902 1.8 0.3 1.0
C2 4:CAC902 2.0 0.1 1.0
C1 4:CAC902 2.0 0.3 1.0
NH2 4:ARG158 3.2 0.4 1.0
NE F:ARG226 3.6 84.6 1.0
NH2 F:ARG226 3.7 85.4 1.0
C28 4:BCR505 3.9 84.8 1.0
CZ F:ARG226 3.9 84.9 1.0
CZ 4:ARG158 4.4 83.4 1.0
C29 4:BCR505 4.4 85.1 1.0
OE1 F:GLN223 4.4 82.8 1.0
CD F:ARG226 4.5 84.0 1.0
CE3 4:TRP161 4.6 85.2 1.0
CD 4:ARG158 4.6 83.8 1.0
CD2 4:TRP161 4.6 84.6 1.0
CG 4:TRP161 4.7 84.5 1.0
CB 4:TRP161 4.8 84.9 1.0
OD1 4:ASP157 4.9 94.7 1.0
NH1 F:ARG226 4.9 84.7 1.0
NE 4:ARG158 5.0 83.4 1.0

Reference:

A.Perez Boerema, D.Klaiman, I.Caspy, S.Netzer-El, A.Amunts, N.Nelson. Structure of A Minimal Photosystem I From A Green Alga To Be Published.
Page generated: Wed Jul 10 13:29:12 2024

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