Calcium in PDB 6pyx: Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain

The structure of Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain, PDB code: 6pyx was solved by T.J.Brett, K.B.Berry, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.79 / 2.60
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	103.383, 74.452, 75.386, 90.00, 109.37, 90.00
R / Rfree (%)	21.8 / 27.9

The binding sites of Calcium atom in the Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain (pdb code 6pyx). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain, PDB code: 6pyx:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca501 b:41.1 occ:1.00 OG1 A:THR383 2.3 40.8 1.0 O A:HOH603 2.4 41.0 1.0 OG A:SER314 2.4 44.5 1.0 OG A:SER316 2.5 38.0 1.0 CB A:SER316 3.2 39.2 1.0 O A:HOH627 3.4 40.8 1.0 CB A:THR383 3.4 37.8 1.0 CB A:SER314 3.6 44.6 1.0 CG2 A:THR383 3.6 37.8 1.0 OD1 A:ASP412 3.9 46.6 1.0 O A:GLU414 3.9 50.2 1.0 N A:SER316 4.0 42.2 1.0 OD2 A:ASP412 4.0 42.6 1.0 CA A:SER316 4.2 40.3 1.0 OD2 A:ASP312 4.3 43.0 1.0 CG A:ASP412 4.4 43.8 1.0 OD1 A:ASP312 4.4 41.5 1.0 CB A:GLU414 4.6 34.9 1.0 CA A:THR383 4.7 41.7 1.0 C A:SER314 4.7 44.3 1.0 N A:GLY315 4.8 43.3 1.0 CA A:SER314 4.8 42.8 1.0 C A:GLU414 4.8 41.7 1.0 CG A:ASP312 4.8 46.4 1.0 N A:MET317 4.8 43.1 1.0 C A:SER316 4.8 43.5 1.0 OE1 A:GLU414 5.0 42.9 1.0

Calcium binding site 2 out of 2 in the Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca502 b:39.1 occ:1.00 OE2 A:GLU299 2.3 36.5 1.0 OG1 B:THR383 2.4 39.4 1.0 OG B:SER316 2.4 34.0 1.0 OG B:SER314 2.4 29.0 1.0 O B:HOH608 2.6 33.9 1.0 CD A:GLU299 3.2 36.3 1.0 OE1 A:GLU299 3.5 39.4 1.0 CB B:SER316 3.5 37.0 1.0 CB B:THR383 3.5 35.9 1.0 CB B:SER314 3.5 30.3 1.0 CG2 B:THR383 3.7 34.1 1.0 OD1 B:ASP412 3.7 40.2 1.0 O B:GLU414 4.0 34.2 1.0 OD2 B:ASP312 4.1 33.9 1.0 N B:SER316 4.2 31.4 1.0 OD1 B:ASP312 4.2 33.8 1.0 OD2 B:ASP412 4.3 44.0 1.0 O A:HOH622 4.4 38.4 1.0 CA B:SER316 4.4 32.9 1.0 CG B:ASP412 4.4 42.6 1.0 CG A:GLU299 4.6 33.7 1.0 CG B:ASP312 4.6 32.0 1.0 CA B:THR383 4.7 36.0 1.0 CB B:GLU414 4.7 33.6 1.0 CA B:SER314 4.8 32.1 1.0 CA A:GLY303 4.8 33.7 1.0 C B:GLU414 4.8 34.2 1.0 C B:SER314 4.8 40.8 1.0 CB A:GLU299 4.9 35.5 1.0 N B:GLY315 4.9 36.0 1.0

K.B.Berry, T.J.Brett. Structural and Biophysical Analysis of the Calcium-Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain Suggests Mode of TMEM16A Engagement Cell Rep 2020.
ISSN: ESSN 2211-1247