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Nickel in PDB 3ayx: Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition

Enzymatic activity of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition

All present enzymatic activity of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition:
1.12.5.1;

Protein crystallography data

The structure of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition, PDB code: 3ayx was solved by Y.Shomura, K.S.Yoon, H.Nishihara, Y.Higuchi, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.18
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 75.735, 116.327, 113.629, 90.00, 91.40, 90.00
R / Rfree (%) 13.9 / 16.9

Other elements in 3ayx:

The structure of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition also contains other interesting chemical elements:

Magnesium (Mg) 2 atoms
Iron (Fe) 24 atoms

Nickel Binding Sites:

The binding sites of Nickel atom in the Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition (pdb code 3ayx). This binding sites where shown within 5.0 Angstroms radius around Nickel atom.
In total 2 binding sites of Nickel where determined in the Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition, PDB code: 3ayx:
Jump to Nickel binding site number: 1; 2;

Nickel binding site 1 out of 2 in 3ayx

Go back to Nickel Binding Sites List in 3ayx
Nickel binding site 1 out of 2 in the Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition


Mono view


Stereo pair view

A full contact list of Nickel with other atoms in the Ni binding site number 1 of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ni602

b:12.8
occ:1.00
O A:O610 1.4 8.0 0.6
O A:O606 1.7 11.9 0.5
O A:O609 1.7 7.8 0.5
SG A:CYS590 2.1 14.1 1.0
SG A:CYS76 2.2 11.7 1.0
SG A:CYS79 2.3 9.5 1.0
SG A:CYS593 2.5 10.6 1.0
O A:O607 2.5 8.3 0.6
FE A:FE2601 2.6 8.6 1.0
CB A:CYS76 3.1 12.1 1.0
O A:O608 3.3 12.1 0.7
CB A:CYS590 3.3 12.4 1.0
CB A:CYS79 3.4 10.1 1.0
CB A:CYS593 3.7 11.9 1.0
C A:CYN605 3.7 9.0 1.0
C A:CYN604 3.8 7.4 1.0
N A:CYS79 3.8 9.6 1.0
NH1 A:ARG523 4.2 9.1 1.0
C A:CMO603 4.2 8.0 1.0
CA A:CYS79 4.2 10.0 1.0
CA A:CYS76 4.4 8.7 1.0
CZ A:ARG523 4.5 8.4 1.0
CA A:CYS590 4.6 9.2 1.0
CA A:CYS593 4.6 8.9 1.0
CB A:VAL78 4.6 10.3 1.0
N A:CYS593 4.6 8.4 1.0
N A:CYN605 4.7 8.1 1.0
CD A:ARG523 4.7 9.7 1.0
NE A:ARG523 4.7 9.0 1.0
N A:CYN604 4.7 8.6 1.0
C A:VAL78 4.8 9.5 1.0
C A:CYS79 5.0 9.6 1.0

Nickel binding site 2 out of 2 in 3ayx

Go back to Nickel Binding Sites List in 3ayx
Nickel binding site 2 out of 2 in the Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition


Mono view


Stereo pair view

A full contact list of Nickel with other atoms in the Ni binding site number 2 of Membrane-Bound Respiratory [Nife] Hydrogenase From Hydrogenovibrio Marinus in An H2-Reduced Condition within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ni602

b:14.8
occ:1.00
O C:O610 1.4 8.6 0.6
O C:O606 1.7 11.6 0.5
O C:O609 1.7 8.6 0.5
SG C:CYS590 2.1 16.6 1.0
SG C:CYS76 2.2 13.7 1.0
SG C:CYS79 2.3 11.4 1.0
SG C:CYS593 2.5 12.5 1.0
O C:O607 2.5 9.5 0.5
FE C:FE2601 2.6 10.6 1.0
CB C:CYS76 3.1 13.4 1.0
O C:O608 3.3 11.1 0.5
CB C:CYS590 3.3 14.7 1.0
CB C:CYS79 3.4 12.3 1.0
CB C:CYS593 3.6 12.7 1.0
N C:CYS79 3.7 11.7 1.0
C C:CYN605 3.7 9.4 1.0
C C:CYN604 3.7 9.9 1.0
NH1 C:ARG523 4.1 11.6 1.0
CA C:CYS79 4.2 11.3 1.0
C C:CMO603 4.2 10.3 1.0
CA C:CYS76 4.5 10.0 1.0
CZ C:ARG523 4.5 10.6 1.0
CA C:CYS590 4.6 11.1 1.0
CA C:CYS593 4.6 10.1 1.0
CB C:VAL78 4.6 11.9 1.0
N C:CYS593 4.6 10.3 1.0
N C:CYN605 4.7 11.0 1.0
NE C:ARG523 4.7 11.8 1.0
CD C:ARG523 4.7 11.3 1.0
N C:CYN604 4.7 11.4 1.0
C C:VAL78 4.8 12.6 1.0
C C:CYS79 5.0 10.5 1.0

Reference:

Y.Shomura, K.S.Yoon, H.Nishihara, Y.Higuchi. Structural Basis For A [4FE-3S] Cluster in the Oxygen-Tolerant Membrane-Bound [Nife]-Hydrogenase Nature V. 479 253 2011.
ISSN: ISSN 0028-0836
PubMed: 22002607
DOI: 10.1038/NATURE10504
Page generated: Wed Dec 16 01:21:24 2020

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