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Zinc in PDB 1ugc: Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H)

Enzymatic activity of Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H)

All present enzymatic activity of Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H):
4.2.1.1;

Protein crystallography data

The structure of Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H), PDB code: 1ugc was solved by L.R.Scolnick, D.W.Christianson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.50 / 2.00
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 42.700, 41.700, 73.000, 90.00, 104.60, 90.00
R / Rfree (%) 16.2 / 22.5

Other elements in 1ugc:

The structure of Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H) also contains other interesting chemical elements:

Mercury (Hg) 1 atom

Zinc Binding Sites:

The binding sites of Zinc atom in the Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H) (pdb code 1ugc). 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 [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H), PDB code: 1ugc:

Zinc binding site 1 out of 1 in 1ugc

Go back to Zinc Binding Sites List in 1ugc
Zinc binding site 1 out of 1 in the Human Carbonic Anhydrase II [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H)


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 [Hcaii] (E.C.4.2.1.1) Mutant with Ala 65 Replaced By His (A65H) within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn262

b:10.9
occ:1.00
 O A:HOH487 1.9 16.9 1.0
NE2 A:HIS94 2.0 3.3 1.0
NE2 A:HIS96 2.1 4.6 1.0
ND1 A:HIS119 2.1 11.8 1.0
CD2 A:HIS94 2.8 3.3 1.0
CD2 A:HIS96 3.0 2.4 1.0
CE1 A:HIS119 3.0 10.1 1.0
CE1 A:HIS96 3.1 5.3 1.0
CE1 A:HIS94 3.1 4.3 1.0
CG A:HIS119 3.2 10.1 1.0
CB A:HIS119 3.6 7.0 1.0
OG1 A:THR199 3.8 8.5 1.0
O A:HOH490 3.9 32.6 1.0
CG A:HIS94 4.0 5.1 1.0
O A:HOH491 4.0 34.4 1.0
OE1 A:GLU106 4.1 7.1 1.0
ND1 A:HIS94 4.1 5.2 1.0
NE2 A:HIS119 4.1 9.2 1.0
CG A:HIS96 4.2 5.7 1.0
ND1 A:HIS96 4.2 3.4 1.0
CD2 A:HIS119 4.3 8.4 1.0
CD A:GLU106 4.9 9.6 1.0

Reference:

L.R.Scolnick, D.W.Christianson. X-Ray Crystallographic Studies of Alanine-65 Variants of Carbonic Anhydrase II Reveal the Structural Basis of Compromised Proton Transfer in Catalysis. Biochemistry V. 35 16429 1996.
ISSN: ISSN 0006-2960
PubMed: 8987974
DOI: 10.1021/BI9617872
Page generated: Wed Dec 16 03:06:39 2020

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