Calcium in PDB 1wsd: Alkaline M-Protease Form I Crystal Strcuture

The structure of Alkaline M-Protease Form I Crystal Strcuture, PDB code: 1wsd was solved by T.Shirai, A.Suzuki, T.Yamane, T.Ashida, T.Kobayashi, J.Hitomi, S.Ito, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	62.300, 75.500, 47.200, 90.00, 90.00, 90.00
R / Rfree (%)	17.2 / 19.3

The binding sites of Calcium atom in the Alkaline M-Protease Form I Crystal Strcuture (pdb code 1wsd). 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 Alkaline M-Protease Form I Crystal Strcuture, PDB code: 1wsd:

Calcium binding site 1 out of 1 in the Alkaline M-Protease Form I Crystal Strcuture


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Alkaline M-Protease Form I Crystal Strcuture within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca276 b:6.7 occ:1.00 O A:LEU75 2.1 8.1 1.0 O A:ILE79 2.2 8.2 1.0 O A:VAL81 2.3 8.3 1.0 OD1 A:ASN77 2.3 10.7 1.0 OE1 A:GLN2 2.3 7.5 1.0 OD1 A:ASP41 2.4 7.2 1.0 OD2 A:ASP41 2.6 6.8 1.0 CG A:ASP41 2.9 7.3 1.0 C A:LEU75 3.3 6.9 1.0 CG A:ASN77 3.3 9.0 1.0 CD A:GLN2 3.4 8.9 1.0 C A:ILE79 3.5 7.9 1.0 C A:VAL81 3.5 7.3 1.0 N A:VAL81 3.8 7.8 1.0 ND2 A:ASN77 3.9 7.8 1.0 CG A:GLN2 3.9 8.7 1.0 N A:ASN77 4.0 7.0 1.0 C A:GLY80 4.2 7.5 1.0 CA A:VAL81 4.3 7.3 1.0 CA A:LEU75 4.3 7.5 1.0 N A:ASN76 4.3 7.7 1.0 N A:GLY80 4.3 8.1 1.0 N A:LEU75 4.4 6.4 1.0 N A:ILE79 4.4 8.8 1.0 CB A:ASP41 4.4 7.6 1.0 CA A:GLY80 4.4 7.5 1.0 CA A:ILE79 4.5 9.6 1.0 CA A:ASN76 4.5 8.1 1.0 N A:LEU82 4.5 6.8 1.0 CB A:GLN2 4.5 10.4 1.0 CG1 A:ILE79 4.5 10.9 1.0 CB A:ASN77 4.5 8.2 1.0 NE2 A:GLN2 4.6 6.2 1.0 O A:ASN77 4.6 9.9 1.0 CA A:ASN77 4.6 8.1 1.0 C A:ASN77 4.7 8.2 1.0 C A:ASN76 4.7 7.8 1.0 C A:ALA74 4.7 6.7 1.0 CA A:LEU82 4.7 6.2 1.0 CB A:LEU75 4.8 7.8 1.0 O A:GLY80 4.8 7.7 1.0 O A:ALA74 5.0 6.7 1.0 CB A:ALA74 5.0 5.6 1.0

T.Shirai, A.Suzuki, T.Yamane, T.Ashida, T.Kobayashi, J.Hitomi, S.Ito. High-Resolution Crystal Structure of M-Protease: Phylogeny Aided Analysis of the High-Alkaline Adaptation Mechanism Protein Eng. V. 10 627 1997.
ISSN: ISSN 0269-2139
PubMed: 9278275
DOI: 10.1093/PROTEIN/10.6.627