Calcium in PDB 5hqa: A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8

The structure of A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8, PDB code: 5hqa was solved by J.Li, C.He, Y.Xiao, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	39.39 / 1.75
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	119.383, 119.383, 182.418, 90.00, 90.00, 120.00
R / Rfree (%)	14.3 / 16.3

The structure of A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8 also contains other interesting chemical elements:

Magnesium	(Mg)	1 atom
Chlorine	(Cl)	2 atoms

The binding sites of Calcium atom in the A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8 (pdb code 5hqa). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8, PDB code: 5hqa:

Calcium binding site 1 out of 1 in the A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of A Glycoside Hydrolase Family 97 Enzyme in Complex with Acarbose From Pseudoalteromonas Sp. Strain K8 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca701 b:13.5 occ:1.00 OE1 A:GLU474 2.3 12.5 1.0 OE2 A:GLU480 2.3 13.3 1.0 O3B A:ACR705 2.3 15.8 1.0 O2A A:ACR705 2.3 13.1 1.0 OE2 A:GLU456 2.4 16.4 1.0 OE1 A:GLU173 2.4 13.7 1.0 N4B A:ACR705 2.7 14.2 1.0 C1A A:ACR705 3.2 19.6 1.0 CD A:GLU474 3.3 16.0 1.0 C3B A:ACR705 3.3 17.2 1.0 C2A A:ACR705 3.3 19.9 1.0 CD A:GLU480 3.3 19.2 1.0 C4B A:ACR705 3.5 15.6 1.0 CD A:GLU173 3.5 13.9 1.0 OE2 A:GLU474 3.5 16.6 1.0 CD A:GLU456 3.7 16.3 1.0 OE1 A:GLU480 3.7 23.8 1.0 OE2 A:GLU173 3.8 16.4 1.0 O A:HOH981 3.9 12.7 1.0 O A:HOH967 4.0 9.3 1.0 C3A A:ACR705 4.3 18.6 1.0 ND1 A:HIS455 4.3 11.8 1.0 CG A:GLU456 4.5 12.9 1.0 C7A A:ACR705 4.6 14.0 1.0 OE1 A:GLU456 4.6 16.1 1.0 O A:HOH857 4.6 20.9 1.0 CG A:GLU474 4.6 12.1 1.0 C2B A:ACR705 4.6 22.8 1.0 CG A:GLU480 4.7 13.6 1.0 C5B A:ACR705 4.7 23.1 1.0 CB A:HIS455 4.8 12.3 1.0 CG A:GLU173 4.8 10.0 1.0 NH2 A:ARG171 4.9 28.4 1.0 O A:HOH821 5.0 15.8 1.0 O3A A:ACR705 5.0 17.2 1.0 N A:GLU456 5.0 9.7 1.0

C.He, J.Li, W.Li, Y.Xue, Z.Fang, W.Fang, X.Zhang, X.Wang, Y.Xiao. Structures of PSPAG97A Alpha-Glucoside Hydrolase Reveal A Novel Mechanism For Chloride Induced Activation. J. Struct. Biol. V. 196 426 2016.
ISSN: ESSN 1095-8657
PubMed: 27645700
DOI: 10.1016/J.JSB.2016.09.009