Calcium in PDB 6gel: The Structure of Twitch-2B

The structure of The Structure of Twitch-2B, PDB code: 6gel was solved by P.Trigo Mourino, M.Paulat, T.Thestrup, O.Griesbeck, C.Griesinger, S.Becker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	47.93 / 2.51
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	58.075, 156.773, 169.284, 90.00, 90.00, 90.00
R / Rfree (%)	19.5 / 24

The binding sites of Calcium atom in the The Structure of Twitch-2B (pdb code 6gel). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 4 binding sites of Calcium where determined in the The Structure of Twitch-2B, PDB code: 6gel:
Jump to Calcium binding site number: 1; 2; 3; 4;

Calcium binding site 1 out of 4 in the The Structure of Twitch-2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Structure of Twitch-2B within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca601 b:50.1 occ:1.00 O A:HOH705 2.1 33.7 1.0 O A:PHE254 2.1 65.0 1.0 OD1 A:ASP248 2.2 57.8 1.0 OD1 A:ASP250 2.4 60.4 1.0 OD1 A:ASN252 2.5 61.1 1.0 OE2 A:GLU259 2.5 60.7 1.0 OE1 A:GLU259 2.6 65.9 1.0 CD A:GLU259 2.9 61.8 1.0 CG A:ASP250 3.4 60.0 1.0 C A:PHE254 3.4 64.6 1.0 CG A:ASN252 3.4 60.1 1.0 CG A:ASP248 3.4 57.0 1.0 OD2 A:ASP250 3.8 65.4 1.0 CA A:ASP248 4.1 54.7 1.0 N A:ASN252 4.1 53.5 1.0 N A:PHE254 4.1 65.7 1.0 ND2 A:ASN252 4.2 62.8 1.0 CB A:ASP248 4.2 55.9 1.0 N A:ILE255 4.3 60.9 1.0 CA A:ILE255 4.3 60.0 1.0 CA A:PHE254 4.3 66.8 1.0 C A:ASP248 4.3 55.2 1.0 CB A:ASN252 4.3 59.2 1.0 OD2 A:ASP248 4.4 59.4 1.0 CG A:GLU259 4.4 58.6 1.0 N A:ASP250 4.5 53.8 1.0 N A:ASP256 4.5 57.9 1.0 N A:GLY251 4.6 53.9 1.0 CB A:ASP250 4.6 58.5 1.0 CA A:ASN252 4.6 58.1 1.0 N A:GLY253 4.6 60.7 1.0 O A:ASP248 4.7 60.2 1.0 N A:PHE249 4.8 53.1 1.0 OD2 A:ASP256 4.8 65.5 1.0 CA A:ASP250 4.8 56.1 1.0 C A:ASN252 4.8 60.4 1.0 C A:ASP250 4.8 55.8 1.0 C A:ILE255 4.9 59.9 1.0

Calcium binding site 2 out of 4 in the The Structure of Twitch-2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of The Structure of Twitch-2B within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca602 b:64.1 occ:1.00 O A:HOH724 2.1 64.9 1.0 OD1 A:ASP284 2.2 81.0 1.0 OD1 A:ASP286 2.4 0.6 1.0 OD1 A:ASN288 2.4 82.6 1.0 OE2 A:GLU295 2.5 89.9 1.0 O A:ARG290 2.5 79.6 1.0 OE1 A:GLU295 2.5 80.5 1.0 CD A:GLU295 2.9 78.0 1.0 CG A:ASN288 3.1 83.2 1.0 CG A:ASP286 3.2 93.9 1.0 CG A:ASP284 3.4 79.2 1.0 OD2 A:ASP286 3.5 92.9 1.0 ND2 A:ASN288 3.5 80.3 1.0 C A:ARG290 3.7 72.4 1.0 N A:ASN288 4.2 91.5 1.0 CA A:ASP284 4.2 79.8 1.0 CB A:ASN288 4.3 86.3 1.0 CB A:ASP284 4.3 78.2 1.0 OD2 A:ASP284 4.3 83.3 1.0 N A:ASP286 4.3 95.7 1.0 CG A:GLU295 4.4 76.0 1.0 C A:ASP284 4.4 83.2 1.0 OD2 A:ASP292 4.5 81.6 1.0 CA A:ILE291 4.5 67.0 1.0 CB A:ASP286 4.5 96.8 1.0 N A:LYS287 4.5 95.6 1.0 N A:ARG290 4.6 75.8 1.0 N A:ILE291 4.6 70.0 1.0 N A:THR285 4.6 83.7 1.0 N A:ASP292 4.6 68.3 1.0 CA A:ASN288 4.7 88.8 1.0 CA A:ARG290 4.7 74.7 1.0 C A:ASP286 4.7 96.6 1.0 CA A:ASP286 4.7 96.2 1.0 O A:ASP284 4.9 80.0 1.0

Calcium binding site 3 out of 4 in the The Structure of Twitch-2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of The Structure of Twitch-2B within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca601 b:52.0 occ:1.00 O B:HOH709 2.1 49.2 1.0 O B:PHE254 2.1 62.5 1.0 OD1 B:ASP248 2.3 62.5 1.0 OD1 B:ASP250 2.4 57.3 1.0 OD1 B:ASN252 2.4 62.1 1.0 OE2 B:GLU259 2.5 63.4 1.0 OE1 B:GLU259 2.6 67.8 1.0 CD B:GLU259 2.9 63.5 1.0 CG B:ASP250 3.3 56.1 1.0 C B:PHE254 3.3 64.1 1.0 CG B:ASN252 3.4 60.8 1.0 CG B:ASP248 3.4 56.9 1.0 OD2 B:ASP250 3.7 63.5 1.0 N B:PHE254 4.1 62.9 1.0 CA B:ASP248 4.1 54.1 1.0 N B:ASN252 4.1 51.5 1.0 ND2 B:ASN252 4.2 66.5 1.0 CB B:ASP248 4.2 56.9 1.0 N B:ILE255 4.2 61.3 1.0 CA B:ILE255 4.2 59.3 1.0 CA B:PHE254 4.3 67.2 1.0 C B:ASP248 4.4 54.9 1.0 CB B:ASN252 4.4 60.1 1.0 OD2 B:ASP248 4.4 56.1 1.0 CG B:GLU259 4.4 63.2 1.0 N B:ASP250 4.5 49.3 1.0 N B:ASP256 4.5 60.0 1.0 CB B:ASP250 4.6 53.4 1.0 N B:GLY251 4.6 47.9 1.0 CA B:ASN252 4.6 56.5 1.0 O B:ASP248 4.7 55.6 1.0 OD2 B:ASP256 4.8 71.4 1.0 N B:PHE249 4.8 54.6 1.0 C B:ILE255 4.8 61.1 1.0 CA B:GLY253 4.8 57.4 1.0 CA B:ASP250 4.8 50.4 1.0 C B:ASP250 4.9 49.3 1.0 C B:ASN252 4.9 59.1 1.0 C B:GLY253 5.0 61.5 1.0

Calcium binding site 4 out of 4 in the The Structure of Twitch-2B


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 4 of The Structure of Twitch-2B within 5.0Å range: probe atom residue distance (Å) B Occ B:Ca602 b:68.7 occ:1.00 O B:HOH710 2.1 68.4 1.0 OD1 B:ASP284 2.2 83.5 1.0 OD1 B:ASP286 2.3 94.5 1.0 OD1 B:ASN288 2.4 84.3 1.0 O B:ARG290 2.5 80.4 1.0 OE2 B:GLU295 2.5 87.4 1.0 OE1 B:GLU295 2.6 82.8 1.0 CD B:GLU295 2.9 79.1 1.0 CG B:ASP286 3.2 89.8 1.0 CG B:ASN288 3.2 84.1 1.0 OD2 B:ASP286 3.4 88.0 1.0 CG B:ASP284 3.4 78.7 1.0 C B:ARG290 3.7 75.1 1.0 ND2 B:ASN288 3.7 81.4 1.0 N B:ASN288 4.2 93.5 1.0 CA B:ASP284 4.3 78.5 1.0 CB B:ASP284 4.3 80.1 1.0 N B:ASP286 4.3 91.8 1.0 OD2 B:ASP284 4.3 77.8 1.0 CB B:ASN288 4.3 88.7 1.0 CG B:GLU295 4.4 75.8 1.0 C B:ASP284 4.4 82.3 1.0 CB B:ASP286 4.5 93.3 1.0 OD2 B:ASP292 4.5 79.8 1.0 N B:ARG290 4.6 74.3 1.0 N B:LYS287 4.6 90.9 1.0 CA B:ILE291 4.6 71.4 1.0 N B:ASP292 4.6 72.7 1.0 N B:ILE291 4.6 71.7 1.0 N B:THR285 4.7 84.2 1.0 CA B:ARG290 4.7 76.5 1.0 C B:ASP286 4.7 92.3 1.0 CA B:ASP286 4.7 92.9 1.0 CA B:ASN288 4.7 91.5 1.0 O B:ASP284 4.9 85.2 1.0

P.Trigo-Mourino, T.Thestrup, O.Griesbeck, C.Griesinger, S.Becker. Dynamic Tuning of Fret in A Green Fluorescent Protein Biosensor. Sci Adv V. 5 W4988 2019.
ISSN: ESSN 2375-2548
PubMed: 31457088
DOI: 10.1126/SCIADV.AAW4988