Calcium in PDB 1sl7: Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima

The structure of Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima, PDB code: 1sl7 was solved by L.Deng, S.V.Markova, E.S.Vysotski, Z.J.Liu, J.Lee, J.Rose, B.C.Wang, Southeast Collaboratory For Structural Genomics(Secsg), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	51.99 / 2.20
Space group	P 41 21 2
Cell size a, b, c (Å), α, β, γ (°)	58.641, 58.641, 110.378, 90.00, 90.00, 90.00
R / Rfree (%)	18.6 / 23.9

The binding sites of Calcium atom in the Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima (pdb code 1sl7). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima, PDB code: 1sl7:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:39.3 occ:1.00 O A:HOH318 2.3 31.8 1.0 OD1 A:ASP159 2.4 46.0 1.0 O A:ASP165 2.4 35.7 1.0 OE1 A:GLU170 2.6 35.0 1.0 OD2 A:ASP161 2.6 49.2 1.0 OG A:SER163 2.7 49.2 1.0 OE2 A:GLU170 2.8 36.4 1.0 CD A:GLU170 3.1 33.5 1.0 CG A:ASP159 3.6 47.1 1.0 CG A:ASP161 3.7 50.2 1.0 C A:ASP165 3.7 37.1 1.0 CB A:SER163 3.7 51.0 1.0 OD1 A:ASP161 4.0 48.3 1.0 O A:ASP161 4.1 56.5 1.0 N A:SER163 4.3 52.7 1.0 OD1 A:ASP165 4.3 42.8 1.0 CA A:LEU166 4.3 31.3 1.0 OD2 A:ASP159 4.4 49.5 1.0 OD2 A:ASP167 4.4 42.8 1.0 CB A:ASP159 4.4 46.8 1.0 N A:ASP165 4.5 40.6 1.0 N A:LEU166 4.5 33.1 1.0 CA A:ASP159 4.5 46.9 1.0 CA A:SER163 4.5 49.7 1.0 CG A:GLU170 4.6 32.3 1.0 C A:ASP161 4.7 53.8 1.0 N A:ASP167 4.7 31.3 1.0 CA A:ASP165 4.7 39.9 1.0 C A:ASP159 4.7 48.9 1.0 N A:LEU160 4.7 49.5 1.0 N A:ASP161 4.8 51.1 1.0 CB A:ASP161 4.9 51.2 1.0 N A:GLY164 4.9 45.4 1.0 C A:LEU166 5.0 30.8 1.0 C A:SER163 5.0 47.7 1.0

Calcium binding site 2 out of 3 in the Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca302 b:22.9 occ:1.00 OD1 A:ASP30 2.3 20.7 1.0 O A:LYS36 2.3 21.3 1.0 O A:HOH319 2.5 21.6 1.0 OD1 A:ASN34 2.5 22.4 1.0 OD1 A:ASN32 2.6 27.2 1.0 OE1 A:GLU41 2.7 22.8 1.0 OE2 A:GLU41 2.7 22.4 1.0 CD A:GLU41 3.1 21.3 1.0 CG A:ASP30 3.4 22.9 1.0 CG A:ASN34 3.5 24.8 1.0 CG A:ASN32 3.5 26.0 1.0 C A:LYS36 3.5 20.2 1.0 ND2 A:ASN32 4.0 19.3 1.0 OD2 A:ASP30 4.2 22.0 1.0 ND2 A:ASN34 4.2 20.6 1.0 N A:ASN34 4.3 27.6 1.0 N A:LYS36 4.3 16.8 1.0 CB A:ASP30 4.4 18.2 1.0 CA A:ILE37 4.4 17.4 1.0 N A:ILE37 4.4 18.6 1.0 CA A:ASP30 4.5 17.4 1.0 CA A:LYS36 4.5 19.9 1.0 N A:ASN32 4.5 25.2 1.0 CB A:ASN34 4.6 25.3 1.0 CG A:GLU41 4.6 18.3 1.0 OE2 A:GLU82 4.6 39.2 1.0 C A:ASP30 4.6 21.0 1.0 N A:GLY33 4.6 27.2 1.0 CB A:ASN32 4.7 26.3 1.0 CA A:ASN34 4.8 26.2 1.0 N A:ILE31 4.8 20.3 1.0 CA A:ASN32 4.9 26.0 1.0 C A:ASN32 4.9 29.3 1.0 N A:GLY35 4.9 21.9 1.0

Calcium binding site 3 out of 3 in the Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Crystal Structure of Calcium-Loaded Apo-Obelin From Obelia Longissima within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca303 b:29.3 occ:1.00 OD1 A:ASP123 2.4 22.6 1.0 OG A:SER127 2.5 37.8 1.0 OE1 A:GLU134 2.5 27.2 1.0 O A:HOH413 2.5 50.4 1.0 OD1 A:ASP125 2.6 35.9 1.0 O A:THR129 2.6 30.7 1.0 OE2 A:GLU134 2.6 29.5 1.0 CD A:GLU134 2.9 29.5 1.0 CG A:ASP125 3.5 38.1 1.0 CG A:ASP123 3.6 26.5 1.0 CB A:SER127 3.7 37.1 1.0 OD2 A:ASP125 3.7 39.8 1.0 C A:THR129 3.8 31.2 1.0 CA A:ASP123 4.3 26.9 1.0 N A:SER127 4.4 37.6 1.0 OD2 A:ASP123 4.4 23.0 1.0 CB A:ASP123 4.4 26.1 1.0 CG A:GLU134 4.4 29.7 1.0 CA A:SER127 4.5 36.4 1.0 N A:THR129 4.5 30.3 1.0 CA A:ILE130 4.6 30.7 1.0 OG1 A:THR129 4.6 35.9 1.0 C A:ASP123 4.6 28.5 1.0 N A:ILE130 4.6 31.8 1.0 OG1 A:THR131 4.7 34.4 1.0 N A:ASP125 4.7 33.4 1.0 N A:GLY128 4.7 35.0 1.0 N A:LYS124 4.7 29.6 1.0 CA A:THR129 4.8 30.7 1.0 N A:THR131 4.8 33.3 1.0 CB A:ASP125 4.9 38.1 1.0 C A:SER127 5.0 36.5 1.0

L.Deng, E.S.Vysotski, S.V.Markova, Z.J.Liu, J.Lee, J.Rose, B.C.Wang. All Three CA2+-Binding Loops of Photoproteins Bind Calcium Ions: the Crystal Structures of Calcium-Loaded Apo-Aequorin and Apo-Obelin. Protein Sci. V. 14 663 2005.
ISSN: ISSN 0961-8368
PubMed: 15689515
DOI: 10.1110/PS.041142905