Zinc in PDB 5tln: Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis

Enzymatic activity of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis

All present enzymatic activity of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis:
3.4.24.27;

Protein crystallography data

The structure of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis, PDB code: 5tln was solved by B.W.Matthews, M.A.Holmes, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 2.30
Space group P 61 2 2
Cell size a, b, c (Å), α, β, γ (°) 94.200, 94.200, 131.400, 90.00, 90.00, 120.00
R / Rfree (%) n/a / n/a

Other elements in 5tln:

The structure of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis also contains other interesting chemical elements:

Calcium (Ca) 4 atoms

Zinc Binding Sites:

The binding sites of Zinc atom in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis (pdb code 5tln). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis, PDB code: 5tln:

Zinc binding site 1 out of 1 in 5tln

Go back to Zinc Binding Sites List in 5tln
Zinc binding site 1 out of 1 in the Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn321

b:16.7
occ:1.00
 NE2 A:HIS146 2.0 6.0 1.0
O1 A:BAN322 2.1 23.4 1.0
OE1 A:GLU166 2.1 9.1 1.0
NE2 A:HIS142 2.2 6.6 1.0
OH1 A:BAN322 2.3 21.2 1.0
CE1 A:HIS146 2.7 5.7 1.0
CD A:GLU166 2.9 7.5 1.0
OE2 A:GLU166 2.9 6.4 1.0
C1 A:BAN322 3.1 24.1 1.0
CD2 A:HIS142 3.2 5.7 1.0
CE1 A:HIS142 3.2 7.1 1.0
CD2 A:HIS146 3.2 5.0 1.0
N1 A:BAN322 3.3 22.8 1.0
OH A:TYR157 3.7 11.2 1.0
ND1 A:HIS146 3.9 7.2 1.0
OE1 A:GLU143 4.2 10.1 1.0
CG A:HIS146 4.2 5.5 1.0
NE2 A:HIS231 4.3 7.6 1.0
CG A:HIS142 4.3 5.9 1.0
ND1 A:HIS142 4.3 6.7 1.0
CG A:GLU166 4.3 4.7 1.0
CA2 A:BAN322 4.4 23.6 1.0
CD2 A:HIS231 4.7 8.5 1.0
CZ A:TYR157 4.7 12.1 1.0
CA A:GLU166 4.8 3.9 1.0
OE2 A:GLU143 4.9 11.0 1.0
CB A:SER169 4.9 1.7 1.0
CE2 A:TYR157 4.9 10.9 1.0
CD A:GLU143 4.9 9.4 1.0
OG A:SER169 5.0 2.2 1.0

Reference:

M.A.Holmes, B.W.Matthews. Binding of Hydroxamic Acid Inhibitors to Crystalline Thermolysin Suggests A Pentacoordinate Zinc Intermediate in Catalysis. Biochemistry V. 20 6912 1981.
ISSN: ISSN 0006-2960
PubMed: 7317361
DOI: 10.1021/BI00527A026
Page generated: Wed Dec 16 10:56:04 2020

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