Calcium in PDB 1jae: Structure of Tenebrio Molitor Larval Alpha-Amylase

All present enzymatic activity of Structure of Tenebrio Molitor Larval Alpha-Amylase:
3.2.1.1;

The structure of Structure of Tenebrio Molitor Larval Alpha-Amylase, PDB code: 1jae was solved by S.Strobl, K.Maskos, M.Betz, G.Wiegand, R.Huber, F.X.Gomis-Rueth, G.Frank, R.Glockshuber, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.00 / 1.65
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	51.240, 93.460, 96.950, 90.00, 90.00, 90.00
R / Rfree (%)	17.7 / 20.6

The structure of Structure of Tenebrio Molitor Larval Alpha-Amylase also contains other interesting chemical elements:

Chlorine

(Cl)

1 atom

The binding sites of Calcium atom in the Structure of Tenebrio Molitor Larval Alpha-Amylase (pdb code 1jae). 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 Structure of Tenebrio Molitor Larval Alpha-Amylase, PDB code: 1jae:

Calcium binding site 1 out of 1 in the Structure of Tenebrio Molitor Larval Alpha-Amylase


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Tenebrio Molitor Larval Alpha-Amylase within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca500 b:11.8 occ:1.00 O A:HIS189 2.3 11.4 1.0 O A:HOH529 2.4 12.3 1.0 O A:ARG146 2.4 11.5 1.0 O A:HOH510 2.4 9.6 1.0 OD1 A:ASN98 2.4 9.4 1.0 OD2 A:ASP155 2.5 11.8 1.0 O A:HOH520 2.6 9.4 1.0 OD1 A:ASP155 2.6 10.9 1.0 CG A:ASP155 2.9 12.0 1.0 CG A:ASN98 3.5 9.3 1.0 C A:ARG146 3.5 12.8 1.0 C A:HIS189 3.5 9.5 1.0 ND2 A:ASN98 4.0 9.2 1.0 CA A:ARG146 4.2 12.5 1.0 CB A:HIS189 4.2 10.6 1.0 O A:ASN98 4.4 11.6 1.0 CG A:MET190 4.4 11.0 1.0 CE1 A:HIS131 4.4 13.5 1.0 CB A:ASP155 4.4 12.3 1.0 ND1 A:HIS131 4.4 13.1 1.0 CA A:HIS189 4.4 10.5 1.0 O A:CYS148 4.4 12.1 1.0 O A:LEU156 4.5 13.7 1.0 N A:MET190 4.5 9.8 1.0 OE1 A:GLN158 4.6 14.1 1.0 CA A:MET190 4.6 10.9 1.0 N A:ASN147 4.6 12.6 1.0 O A:HOH546 4.6 15.6 1.0 O A:VAL145 4.8 14.4 1.0 CB A:ASN98 4.8 9.0 1.0 CA A:ASN147 4.8 13.7 1.0 NE2 A:GLN158 4.9 12.4 1.0 CB A:ARG146 5.0 11.6 1.0

S.Strobl, K.Maskos, M.Betz, G.Wiegand, R.Huber, F.X.Gomis-Ruth, R.Glockshuber. Crystal Structure of Yellow Meal Worm Alpha-Amylase at 1.64 A Resolution. J.Mol.Biol. V. 278 617 1998.
ISSN: ISSN 0022-2836
PubMed: 9600843
DOI: 10.1006/JMBI.1998.1667