Calcium in PDB 8x90: P/Q Type Calcium Channel

The binding sites of Calcium atom in the P/Q Type Calcium Channel (pdb code 8x90). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the P/Q Type Calcium Channel, PDB code: 8x90:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in the P/Q Type Calcium Channel


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of P/Q Type Calcium Channel within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca2604 b:96.4 occ:1.00 O5 A:PS12601 2.3 111.1 1.0 OE2 A:GLU318 2.5 37.4 1.0 OE1 A:GLU318 2.8 37.4 1.0 CD A:GLU318 2.9 37.4 1.0 OE1 A:GLU667 3.0 36.7 1.0 OE1 A:GLU1459 3.1 42.8 1.0 C3 A:PS12601 3.1 113.4 1.0 O4 A:PS12601 3.3 112.5 1.0 OE2 A:GLU667 3.6 36.7 1.0 CD A:GLU667 3.6 36.7 1.0 OE2 A:GLU1459 3.9 42.8 1.0 CD A:GLU1459 3.9 42.8 1.0 O A:GLY1754 4.0 45.2 1.0 CG A:GLU318 4.3 37.4 1.0 O A:MET317 4.5 40.0 1.0 C2 A:PS12601 4.6 114.1 1.0 CA A:GLU1755 4.6 36.4 1.0 CG A:GLU1755 4.6 36.4 1.0 N A:ASP668 4.6 37.2 1.0 CA A:GLU318 4.9 37.4 1.0 CB A:GLU1755 4.9 36.4 1.0 CA A:GLU667 4.9 36.7 1.0

Calcium binding site 2 out of 2 in the P/Q Type Calcium Channel


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of P/Q Type Calcium Channel within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1201 b:45.1 occ:1.00 OD2 A:ASP125 2.3 49.7 1.0 OG B:SER263 2.4 43.0 1.0 OG B:SER261 2.7 42.9 1.0 OG1 B:THR331 3.0 48.0 1.0 CB B:SER263 3.2 43.0 1.0 CG A:ASP125 3.4 49.7 1.0 CB B:SER261 3.6 42.9 1.0 OD1 A:ASP125 3.8 49.7 1.0 N B:SER263 4.0 43.0 1.0 CB B:THR331 4.2 48.0 1.0 CA B:SER263 4.2 43.0 1.0 OD2 B:ASP259 4.5 37.2 1.0 N B:THR331 4.7 48.0 1.0 CB A:ASP125 4.7 49.7 1.0 OD2 B:ASP363 4.7 43.3 1.0 OD1 B:ASP363 4.8 43.3 1.0 N B:GLY262 4.9 42.6 1.0 CA B:SER261 4.9 42.9 1.0

Z.Li, Y.Cong, T.Wu, T.Wang, X.Lou, X.Yang, N.Yan. Structural Basis For Different Omega-Agatoxin Iva Sensitivities of the P-Type and Q-Type Ca V 2.1 Channels. Cell Res. 2024.
ISSN: ISSN 1001-0602
PubMed: 38443561
DOI: 10.1038/S41422-024-00940-5