Calcium in PDB 8szi: Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs

The binding sites of Calcium atom in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs (pdb code 8szi). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs, PDB code: 8szi:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1003 b:42.2 occ:1.00 O A:LEU88 2.0 20.3 1.0 O A:LEU87 2.6 18.7 1.0 C A:LEU88 2.7 20.3 1.0 O A:SER84 3.1 25.1 1.0 N A:PRO89 3.3 24.7 1.0 CA A:PRO89 3.3 24.7 1.0 C A:LEU87 3.6 18.7 1.0 O A:ILE81 3.7 15.0 1.0 CA A:LEU88 3.7 20.3 1.0 CB A:LEU88 4.0 20.3 1.0 N A:LEU88 4.1 20.3 1.0 C A:PRO89 4.2 24.7 1.0 C A:SER84 4.2 25.1 1.0 O A:LEU91 4.3 29.5 1.0 CB A:PRO89 4.4 24.7 1.0 O A:ASN82 4.4 16.7 1.0 N A:ASN90 4.5 35.1 1.0 CD A:PRO89 4.6 24.7 1.0 CA A:PRO85 4.7 26.1 1.0 C A:ILE81 4.7 15.0 1.0 C A:ASN82 4.8 16.7 1.0 CA A:ASN82 4.8 16.7 1.0 CA A:LEU87 4.8 18.7 1.0 N A:LEU87 4.9 18.7 1.0 N A:LEU91 4.9 29.5 1.0 N A:PRO85 4.9 26.1 1.0 O A:PRO89 5.0 24.7 1.0 N A:SER84 5.0 25.1 1.0 C A:PRO85 5.0 26.1 1.0

Calcium binding site 2 out of 4 in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca1004 b:45.8 occ:1.00 O B:GLY557 2.6 39.6 1.0 OD1 A:ASP234 2.9 18.4 1.0 C B:GLY557 3.6 39.6 1.0 CG A:ASP234 4.0 18.4 1.0 CA B:GLY557 4.2 39.6 1.0 OD2 A:ASP234 4.4 18.4 1.0 O A:GLU231 4.4 24.4 1.0 N B:GLU558 4.6 40.4 1.0 CA B:GLU558 4.8 40.4 1.0 OE2 B:GLU558 4.8 40.4 1.0

Calcium binding site 3 out of 4 in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1405 b:54.4 occ:1.00 O B:LEU88 2.1 30.9 1.0 O B:LEU91 2.5 33.8 1.0 C B:LEU88 3.3 30.9 1.0 C B:LEU91 3.6 33.8 1.0 CB B:LEU88 3.8 30.9 1.0 O B:ASN82 3.9 13.7 1.0 N B:LEU91 4.0 33.8 1.0 CA B:LEU88 4.0 30.9 1.0 CA B:ASN82 4.1 13.7 1.0 OD1 B:ASN82 4.1 13.7 1.0 O B:ILE81 4.1 10.8 1.0 N B:PRO89 4.2 36.6 1.0 CA B:LEU91 4.2 33.8 1.0 C B:ASN82 4.4 13.7 1.0 CA B:PRO89 4.4 36.6 1.0 CB B:LEU91 4.5 33.8 1.0 N B:LEU88 4.5 30.9 1.0 N B:THR92 4.6 24.1 1.0 C B:PRO89 4.6 36.6 1.0 N B:ASN90 4.7 43.1 1.0 CA B:THR92 4.8 24.1 1.0 O B:SER84 4.9 22.6 1.0 C B:ILE81 4.9 10.8 1.0 N B:ASN82 4.9 13.7 1.0 CG B:ASN82 4.9 13.7 1.0 CB B:ASN82 5.0 13.7 1.0

Calcium binding site 4 out of 4 in the Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of Cryo-Em Structure of Pam-Free Human Calcium-Sensing Receptor Casr-Gi Complex in Lipid Nanodiscs within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca1406 b:47.6 occ:1.00 OD1 B:ASP234 2.7 20.1 1.0 OD2 B:ASP234 2.7 20.1 1.0 CG B:ASP234 3.0 20.1 1.0 O A:GLY557 3.1 47.0 1.0 C A:GLY557 3.8 47.0 1.0 CA A:GLY557 3.8 47.0 1.0 O B:GLU232 4.2 31.5 1.0 CB B:ASP234 4.4 20.1 1.0 O B:GLU231 4.5 26.4 1.0 CA B:ASP234 4.8 20.1 1.0 N B:ASP234 4.8 20.1 1.0 N A:GLU558 5.0 45.0 1.0

F.He, C.Wu, Y.Gao, G.Skiniotis. Allosteric Modulation and G-Protein Selectivity of the CA2+-Sensing Receptor Nature 2024.
ISSN: ESSN 1476-4687
DOI: 10.1038/S41586-024-07055-2