Calcium in PDB 7tbg: ATTPC1 D454N with 1 Mm CA2+

The structure of ATTPC1 D454N with 1 Mm CA2+ also contains other interesting chemical elements:

Sodium

(Na)

1 atom

The binding sites of Calcium atom in the ATTPC1 D454N with 1 Mm CA2+ (pdb code 7tbg). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the ATTPC1 D454N with 1 Mm CA2+, PDB code: 7tbg:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the ATTPC1 D454N with 1 Mm CA2+


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of ATTPC1 D454N with 1 Mm CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca801 b:66.3 occ:1.00 HH11 A:ARG185 2.9 38.4 1.0 HB2 A:ARG185 3.4 38.4 1.0 HB3 A:ALA187 3.5 35.7 1.0 NH1 A:ARG185 3.6 38.4 1.0 HH12 A:ARG185 3.7 38.4 1.0 HD2 A:ARG185 3.7 38.4 1.0 HB1 A:ALA187 3.8 35.7 1.0 HH22 A:ARG191 4.0 33.2 1.0 OD2 A:ASP170 4.1 47.9 1.0 CB A:ALA187 4.1 42.1 1.0 CB A:ARG185 4.2 38.4 1.0 OE2 A:GLU88 4.3 34.5 1.0 HB3 A:ARG185 4.3 38.4 1.0 HB3 A:ASP166 4.4 41.4 1.0 OE2 A:GLU124 4.5 42.1 1.0 NH2 A:ARG191 4.5 42.1 1.0 HB2 A:ALA187 4.6 35.7 1.0 HH21 A:ARG191 4.6 33.2 1.0 CD A:ARG185 4.6 38.4 1.0 HD3 A:PRO188 4.6 34.2 1.0 H A:ALA187 4.6 35.7 1.0 HG3 A:ARG185 4.7 38.4 1.0 CG A:ARG185 4.8 38.4 1.0 CZ A:ARG185 4.8 38.4 1.0 O A:ASP166 4.8 42.1 1.0 OE1 A:GLU124 5.0 42.1 1.0

Calcium binding site 2 out of 4 in the ATTPC1 D454N with 1 Mm CA2+


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of ATTPC1 D454N with 1 Mm CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca802 b:83.1 occ:1.00 HB3 A:GLU239 4.0 44.7 1.0 O A:VAL236 4.0 48.0 1.0 H A:ASP240 4.1 44.4 1.0 H A:GLU239 4.3 44.7 1.0 HB2 A:ASP240 4.4 44.4 1.0 OD2 A:ASP240 4.4 44.4 1.0 O A:MET237 4.7 48.9 1.0 CB A:GLU239 4.8 44.7 1.0 HB2 A:GLU239 4.8 44.7 1.0 N A:ASP240 4.9 44.4 1.0 N A:GLU239 4.9 44.7 1.0 CG A:ASP240 4.9 44.4 1.0

Calcium binding site 3 out of 4 in the ATTPC1 D454N with 1 Mm CA2+


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of ATTPC1 D454N with 1 Mm CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca801 b:76.6 occ:1.00 H B:ASP240 3.9 42.9 1.0 O B:VAL236 3.9 47.8 1.0 HB3 B:GLU239 4.0 43.5 1.0 H B:GLU239 4.1 43.5 1.0 O B:MET237 4.3 49.6 1.0 HB2 B:ASP240 4.3 42.9 1.0 OD2 B:ASP240 4.5 42.9 1.0 N B:GLU239 4.7 43.5 1.0 N B:ASP240 4.7 42.9 1.0 HH A:TYR532 4.7 73.3 1.0 HA B:MET237 4.8 49.6 1.0 CB B:GLU239 4.8 43.5 1.0 C B:MET237 4.8 49.6 1.0 HB2 B:GLU239 4.8 43.5 1.0 CG B:ASP240 5.0 42.9 1.0

Calcium binding site 4 out of 4 in the ATTPC1 D454N with 1 Mm CA2+


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of ATTPC1 D454N with 1 Mm CA2+ within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca802 b:66.9 occ:1.00 HH11 B:ARG185 3.1 38.2 1.0 HB2 B:ARG185 3.7 38.2 1.0 HB2 B:ALA187 3.7 35.5 1.0 NH1 B:ARG185 3.8 38.2 1.0 OD2 B:ASP170 3.8 48.0 1.0 HH12 B:ARG185 3.8 38.2 1.0 HB1 B:ALA187 3.9 35.5 1.0 HD2 B:ARG185 4.0 38.2 1.0 HH22 B:ARG191 4.2 33.4 1.0 CB B:ALA187 4.3 42.1 1.0 HB3 B:ASP166 4.3 41.8 1.0 OE2 B:GLU88 4.4 34.8 1.0 OE2 B:GLU124 4.4 42.1 1.0 CB B:ARG185 4.5 38.2 1.0 HB3 B:ARG185 4.6 38.2 1.0 NH2 B:ARG191 4.6 42.1 1.0 HH21 B:ARG191 4.7 33.4 1.0 HB3 B:ALA187 4.7 35.5 1.0 CD B:ARG185 4.8 38.2 1.0 H B:ALA187 4.8 35.5 1.0 HD3 B:PRO188 4.9 34.1 1.0 OE1 B:GLU124 4.9 42.1 1.0 O B:ASP166 5.0 42.1 1.0 HG3 B:ARG185 5.0 38.2 1.0 CZ B:ARG185 5.0 38.2 1.0

M.S.Dickinson, J.Lu, M.Gupta, I.Marten, R.Hedrich, R.M.Stroud. Molecular Basis of Multistep Voltage Activation in Plant Two-Pore Channel 1. Proc.Natl.Acad.Sci.Usa V. 119 2022.
ISSN: ESSN 1091-6490
PubMed: 35210362
DOI: 10.1073/PNAS.2110936119