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Zinc in PDB 3mnj: Human Carbonic Anhydrase II Mutant K170E

Enzymatic activity of Human Carbonic Anhydrase II Mutant K170E

All present enzymatic activity of Human Carbonic Anhydrase II Mutant K170E:
4.2.1.1;

Protein crystallography data

The structure of Human Carbonic Anhydrase II Mutant K170E, PDB code: 3mnj was solved by J.F.Domsic, R.Mckenna, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.62 / 1.75
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 42.574, 41.468, 72.694, 90.00, 104.44, 90.00
R / Rfree (%) 15.7 / 19.4

Other elements in 3mnj:

The structure of Human Carbonic Anhydrase II Mutant K170E also contains other interesting chemical elements:

Sodium (Na) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Human Carbonic Anhydrase II Mutant K170E (pdb code 3mnj). 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 Human Carbonic Anhydrase II Mutant K170E, PDB code: 3mnj:

Zinc binding site 1 out of 1 in 3mnj

Go back to Zinc Binding Sites List in 3mnj
Zinc binding site 1 out of 1 in the Human Carbonic Anhydrase II Mutant K170E


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Human Carbonic Anhydrase II Mutant K170E within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn262

b:9.7
occ:1.00
ND1 A:HIS119 2.0 6.4 1.0
NE2 A:HIS94 2.0 10.9 1.0
NE2 A:HIS96 2.0 7.4 1.0
O A:HOH316 2.1 14.8 1.0
CE1 A:HIS119 2.9 5.5 1.0
CD2 A:HIS96 2.9 7.2 1.0
CD2 A:HIS94 3.0 7.1 1.0
CE1 A:HIS94 3.1 14.0 1.0
CG A:HIS119 3.1 7.0 1.0
CE1 A:HIS96 3.1 10.8 1.0
CB A:HIS119 3.6 4.0 1.0
O A:HOH349 3.8 22.4 1.0
OG1 A:THR199 3.8 11.8 1.0
OE1 A:GLU106 4.0 10.6 1.0
NE2 A:HIS119 4.1 6.5 1.0
CG A:HIS96 4.1 6.3 1.0
CG A:HIS94 4.2 8.1 1.0
CD2 A:HIS119 4.2 5.7 1.0
ND1 A:HIS94 4.2 10.7 1.0
ND1 A:HIS96 4.2 7.3 1.0
O A:HOH343 4.3 21.4 1.0
CD A:GLU106 4.9 13.2 1.0

Reference:

J.F.Domsic, W.Williams, S.Z.Fisher, C.Tu, M.Agbandje-Mckenna, D.N.Silverman, R.Mckenna. Structural and Kinetic Study of the Extended Active Site For Proton Transfer in Human Carbonic Anhydrase II. Biochemistry V. 49 6394 2010.
ISSN: ISSN 0006-2960
PubMed: 20578724
DOI: 10.1021/BI1007645
Page generated: Wed Dec 16 04:35:45 2020

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