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

The structure of Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain, PDB code: 6pyo 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)	58.05 / 2.00
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	104.860, 71.780, 74.840, 90.00, 109.76, 90.00
R / Rfree (%)	19.7 / 22.5

The binding sites of Calcium atom in the Calcium Activated Chloride Channel Regulator 1 (CLCA1) Vwa Domain (pdb code 6pyo). 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: 6pyo:
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:Ca701 b:39.0 occ:1.00 OG A:SER316 2.1 36.0 1.0 OG1 A:THR383 2.2 32.7 1.0 OG A:SER314 2.3 37.5 1.0 O A:HOH802 2.4 36.3 1.0 O A:HOH807 2.4 46.1 1.0 HB2 A:SER314 3.2 47.7 1.0 H A:SER316 3.2 49.2 1.0 HB3 A:SER316 3.3 56.4 1.0 CB A:SER316 3.3 47.0 1.0 HG21 A:THR383 3.3 53.5 1.0 CB A:SER314 3.3 39.7 1.0 CB A:THR383 3.4 34.6 1.0 CG2 A:THR383 3.7 44.5 1.0 HB3 A:SER314 3.8 47.7 1.0 HG23 A:THR383 3.8 53.5 1.0 HB A:THR383 3.9 41.5 1.0 HB2 A:GLU414 3.9 54.0 1.0 N A:SER316 3.9 41.0 1.0 HB2 A:SER316 3.9 56.4 1.0 OD1 A:ASP412 4.0 42.0 1.0 O A:GLU414 4.1 45.2 1.0 OD2 A:ASP412 4.2 46.3 1.0 CA A:SER316 4.2 42.2 1.0 HG2 A:MET317 4.4 50.6 1.0 OD2 A:ASP312 4.4 34.7 1.0 H A:MET317 4.4 51.1 1.0 OD1 A:ASP312 4.4 31.8 1.0 HA A:THR383 4.4 49.6 1.0 CA A:THR383 4.5 41.3 1.0 CG A:ASP412 4.5 41.0 1.0 CA A:SER314 4.6 40.2 1.0 H A:GLY315 4.6 55.1 1.0 C A:SER314 4.6 38.7 1.0 HG22 A:THR383 4.6 53.5 1.0 N A:GLY315 4.7 45.9 1.0 CB A:GLU414 4.8 45.0 1.0 CG A:ASP312 4.8 43.7 1.0 N A:MET317 4.9 42.6 1.0 N A:THR383 4.9 43.5 1.0 H A:GLU414 4.9 62.5 1.0 HA A:SER316 4.9 50.6 1.0 C A:SER316 4.9 43.7 1.0 H A:SER314 4.9 49.8 1.0 HB3 A:GLU414 5.0 54.0 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:Ca702 b:36.0 occ:1.00 OG B:SER314 2.2 34.0 1.0 OG1 B:THR383 2.2 31.2 1.0 OE2 A:GLU299 2.3 31.4 1.0 O B:HOH814 2.3 32.3 1.0 O B:HOH802 2.3 30.7 1.0 OG B:SER316 2.6 32.1 1.0 HB3 B:SER316 3.1 42.2 1.0 HB2 B:SER314 3.1 30.8 1.0 CD A:GLU299 3.1 34.8 1.0 HG21 B:THR383 3.2 38.9 1.0 CB B:SER314 3.2 25.6 1.0 H B:SER316 3.2 36.0 1.0 CB B:SER316 3.4 35.2 1.0 CB B:THR383 3.4 35.6 1.0 OE1 A:GLU299 3.4 33.2 1.0 HG23 B:THR383 3.5 38.9 1.0 CG2 B:THR383 3.5 32.4 1.0 HB3 B:SER314 3.6 30.8 1.0 HB B:THR383 3.8 42.8 1.0 N B:SER316 4.0 30.0 1.0 HB2 B:GLU414 4.0 43.5 1.0 OD1 B:ASP412 4.0 33.0 1.0 HA2 A:GLY303 4.1 40.9 1.0 HB2 B:SER316 4.1 42.2 1.0 O B:GLU414 4.2 32.3 1.0 CA B:SER316 4.2 33.2 1.0 OD2 B:ASP312 4.3 32.4 1.0 HG2 B:MET317 4.3 39.8 1.0 OD2 B:ASP412 4.4 35.9 1.0 OD1 B:ASP312 4.4 31.3 1.0 CA B:SER314 4.4 35.3 1.0 HB2 A:GLU299 4.5 46.1 1.0 CG A:GLU299 4.5 31.8 1.0 HG22 B:THR383 4.5 38.9 1.0 C B:SER314 4.5 31.8 1.0 CA B:THR383 4.5 32.9 1.0 HA B:THR383 4.5 39.4 1.0 H B:MET317 4.6 30.8 1.0 H B:GLY315 4.6 43.2 1.0 O A:HOH812 4.6 35.9 1.0 CG B:ASP412 4.6 40.7 1.0 N B:GLY315 4.7 36.0 1.0 HG3 A:GLU299 4.7 38.1 1.0 H B:GLU414 4.8 37.3 1.0 CG B:ASP312 4.8 33.9 1.0 HB3 A:GLU299 4.8 46.1 1.0 CB B:GLU414 4.8 36.2 1.0 CB A:GLU299 4.9 38.4 1.0 O B:SER314 4.9 29.9 1.0 C B:SER316 4.9 31.7 1.0 N B:THR383 4.9 30.3 1.0 CA A:GLY303 4.9 34.0 1.0 H B:SER314 5.0 39.5 1.0 N B:MET317 5.0 25.6 1.0 HA3 A:GLY303 5.0 40.9 1.0 HB3 B:GLU414 5.0 43.5 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