Calcium in PDB 1sn7: Kumamolisin-As, Apoenzyme

The structure of Kumamolisin-As, Apoenzyme, PDB code: 1sn7 was solved by A.Wlodawer, M.Li, A.Gustchina, K.Oda, T.Nishino, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	10.00 / 2.00
Space group	P 1
Cell size a, b, c (Å), α, β, γ (°)	41.810, 44.950, 49.110, 113.90, 106.10, 102.30
R / Rfree (%)	15 / 25.5

The binding sites of Calcium atom in the Kumamolisin-As, Apoenzyme (pdb code 1sn7). 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 Kumamolisin-As, Apoenzyme, PDB code: 1sn7:

Calcium binding site 1 out of 1 in the Kumamolisin-As, Apoenzyme


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Kumamolisin-As, Apoenzyme within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca401 b:24.0 occ:1.00 O A:GLY336 2.3 21.8 1.0 O A:GLY334 2.3 24.0 1.0 OD1 A:ASP316 2.3 26.5 1.0 O A:HOH501 2.3 22.6 1.0 O A:ILE317 2.3 20.1 1.0 OD2 A:ASP338 2.3 26.6 1.0 CG A:ASP316 3.5 31.8 1.0 C A:GLY336 3.5 24.4 1.0 CG A:ASP338 3.5 28.5 1.0 C A:ILE317 3.5 26.1 1.0 C A:GLY334 3.5 31.2 1.0 N A:GLY336 3.7 21.6 1.0 N A:ILE317 3.9 17.5 1.0 N A:GLY334 3.9 28.7 1.0 OD2 A:ASP316 4.0 25.7 1.0 C A:PRO335 4.0 29.1 1.0 CA A:GLY336 4.2 18.8 1.0 OG1 A:THR341 4.2 20.8 1.0 CB A:ASP338 4.3 28.3 1.0 CA A:ILE317 4.3 19.7 1.0 CA A:PRO335 4.3 27.3 1.0 O A:GLY342 4.4 22.2 1.0 OD1 A:ASP338 4.4 28.8 1.0 CA A:GLY334 4.4 25.1 1.0 N A:PRO335 4.4 32.0 1.0 N A:ASP338 4.5 26.6 1.0 CA A:THR318 4.5 23.9 1.0 N A:THR318 4.5 20.3 1.0 N A:TRP337 4.5 22.8 1.0 C A:TRP337 4.6 23.3 1.0 C A:ASP316 4.6 22.3 1.0 CG2 A:THR318 4.6 45.1 1.0 O A:PRO335 4.6 30.5 1.0 CB A:ASP316 4.7 26.2 1.0 CA A:ASP316 4.8 21.5 1.0 CA A:TRP337 4.8 18.8 1.0 CB A:ILE317 4.9 25.1 1.0 CB A:ALA333 5.0 25.7 1.0 C A:ALA333 5.0 27.4 1.0

A.Wlodawer, M.Li, A.Gustchina, N.Tsuruoka, M.Ashida, H.Minakata, H.Oyama, K.Oda, T.Nishino, T.Nakayama. Crystallographic and Biochemical Investigations of Kumamolisin-As, A Serine-Carboxyl Peptidase with Collagenase Activity. J.Biol.Chem. V. 279 21500 2004.
ISSN: ISSN 0021-9258
PubMed: 15014068
DOI: 10.1074/JBC.M401141200