Calcium in PDB 8tpq: NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6)

The binding sites of Calcium atom in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6) (pdb code 8tpq). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6), PDB code: 8tpq:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca801 b:37.5 occ:1.00 OE2 A:GLU535 2.3 57.6 1.0 OD1 A:ASP503 2.3 53.7 1.0 OD2 A:ASP539 2.4 67.2 1.0 OD1 A:ASP539 2.4 57.5 1.0 OE1 A:GLU506 2.4 51.3 1.0 OE2 A:GLU452 2.5 73.0 1.0 CG A:ASP539 2.7 56.4 1.0 CD A:GLU452 3.2 73.9 1.0 OE1 A:GLU452 3.3 67.4 1.0 NZ A:LYS542 3.3 54.2 1.0 CG A:ASP503 3.4 50.4 1.0 CD A:GLU535 3.4 65.9 1.0 CD A:GLU506 3.5 57.4 1.0 OE2 A:GLU506 4.0 53.7 1.0 CG A:GLU535 4.0 51.3 1.0 CB A:ASP503 4.1 37.2 1.0 CA A:CA802 4.2 73.5 1.0 CB A:ASP539 4.2 43.1 1.0 OH A:TYR188 4.2 54.4 1.0 CA A:ASP503 4.3 43.8 1.0 OD2 A:ASP503 4.3 49.9 1.0 OE1 A:GLU535 4.5 62.1 1.0 CE A:LYS542 4.6 57.6 1.0 CG A:GLU506 4.7 39.6 1.0 CG A:GLU452 4.7 72.9 1.0 OD1 A:ASN448 4.7 65.6 1.0 CB A:GLU506 4.8 34.0 1.0

Calcium binding site 2 out of 4 in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6) within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca802 b:73.5 occ:1.00 OE1 A:GLU535 2.2 62.1 1.0 OD1 A:ASN448 2.3 65.6 1.0 OE1 A:GLU452 2.3 67.4 1.0 OE2 A:GLU535 2.4 57.6 1.0 CD A:GLU535 2.7 65.9 1.0 OE2 A:GLU506 2.7 53.7 1.0 CD A:GLU452 3.4 73.9 1.0 CG A:ASN448 3.4 62.6 1.0 CD A:GLU506 3.6 57.4 1.0 OE1 A:GLU506 3.7 51.3 1.0 OE2 A:GLU452 4.2 73.0 1.0 CA A:CA801 4.2 37.5 1.0 CG A:GLU535 4.2 51.3 1.0 CB A:ASN448 4.2 53.6 1.0 N A:PHE449 4.3 58.0 1.0 C A:ASN448 4.4 60.0 1.0 ND2 A:ASN531 4.4 56.4 1.0 CG A:GLU452 4.4 72.9 1.0 ND2 A:ASN448 4.4 68.7 1.0 O A:ASN448 4.5 68.8 1.0 CA A:PHE449 4.5 56.7 1.0 CB A:GLU452 4.6 69.8 1.0 CB A:GLU535 4.9 41.5 1.0 CG A:GLU506 4.9 39.6 1.0 OD1 A:ASP539 5.0 57.5 1.0 CA A:ASN448 5.0 56.1 1.0

Calcium binding site 3 out of 4 in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6) within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca801 b:37.5 occ:1.00 OE2 B:GLU535 2.3 57.6 1.0 OD1 B:ASP503 2.3 53.7 1.0 OD2 B:ASP539 2.4 67.2 1.0 OD1 B:ASP539 2.4 57.5 1.0 OE1 B:GLU506 2.4 51.3 1.0 OE2 B:GLU452 2.5 73.0 1.0 CG B:ASP539 2.7 56.4 1.0 CD B:GLU452 3.2 73.9 1.0 OE1 B:GLU452 3.3 67.4 1.0 NZ B:LYS542 3.3 54.2 1.0 CG B:ASP503 3.4 50.4 1.0 CD B:GLU535 3.4 65.9 1.0 CD B:GLU506 3.5 57.4 1.0 OE2 B:GLU506 4.0 53.7 1.0 CG B:GLU535 4.0 51.3 1.0 CB B:ASP503 4.1 37.2 1.0 CA B:CA802 4.2 73.5 1.0 CB B:ASP539 4.2 43.1 1.0 OH B:TYR188 4.2 54.4 1.0 CA B:ASP503 4.3 43.8 1.0 OD2 B:ASP503 4.3 49.9 1.0 OE1 B:GLU535 4.5 62.1 1.0 CE B:LYS542 4.6 57.6 1.0 CG B:GLU506 4.7 39.6 1.0 CG B:GLU452 4.7 72.9 1.0 OD1 B:ASN448 4.7 65.6 1.0 CB B:GLU506 4.8 34.0 1.0

Calcium binding site 4 out of 4 in the NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6)


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of NHTMEM16 A444P Mutant in Lipid Nanodiscs with MSP1E3 Scaffold Protein in the Presence of CA2+ (Long TM6) within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca802 b:73.5 occ:1.00 OE1 B:GLU535 2.2 62.1 1.0 OD1 B:ASN448 2.3 65.6 1.0 OE1 B:GLU452 2.3 67.4 1.0 OE2 B:GLU535 2.4 57.6 1.0 CD B:GLU535 2.7 65.9 1.0 OE2 B:GLU506 2.7 53.7 1.0 CD B:GLU452 3.4 73.9 1.0 CG B:ASN448 3.4 62.6 1.0 CD B:GLU506 3.6 57.4 1.0 OE1 B:GLU506 3.7 51.3 1.0 OE2 B:GLU452 4.2 73.0 1.0 CA B:CA801 4.2 37.5 1.0 CG B:GLU535 4.2 51.3 1.0 CB B:ASN448 4.2 53.6 1.0 N B:PHE449 4.3 58.0 1.0 C B:ASN448 4.4 60.0 1.0 ND2 B:ASN531 4.4 56.4 1.0 CG B:GLU452 4.4 72.9 1.0 ND2 B:ASN448 4.4 68.7 1.0 O B:ASN448 4.5 68.8 1.0 CA B:PHE449 4.5 56.7 1.0 CB B:GLU452 4.6 69.8 1.0 CB B:GLU535 4.9 41.5 1.0 CG B:GLU506 4.9 39.6 1.0 OD1 B:ASP539 5.0 57.5 1.0 CA B:ASN448 5.0 56.1 1.0

Z.Feng, O.E.Alvarenga, A.Accardi. Structural Basis of Closed Groove Scrambling By A TMEM16 Protein. Nat.Struct.Mol.Biol. 2024.
ISSN: ESSN 1545-9985
PubMed: 38684930
DOI: 10.1038/S41594-024-01284-9