Calcium in PDB 1sl8: Calcium-Loaded Apo-Aequorin From Aequorea Victoria

The structure of Calcium-Loaded Apo-Aequorin From Aequorea Victoria, PDB code: 1sl8 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)	50.64 / 1.70
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	54.371, 54.371, 135.109, 90.00, 90.00, 90.00
R / Rfree (%)	21.6 / 23.6

The binding sites of Calcium atom in the Calcium-Loaded Apo-Aequorin From Aequorea Victoria (pdb code 1sl8). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 3 binding sites of Calcium where determined in the Calcium-Loaded Apo-Aequorin From Aequorea Victoria, PDB code: 1sl8:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in the Calcium-Loaded Apo-Aequorin From Aequorea Victoria


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Calcium-Loaded Apo-Aequorin From Aequorea Victoria within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca669 b:23.6 occ:1.00 OD1 A:ASP157 2.2 25.0 1.0 OD1 A:ASP155 2.3 20.2 1.0 O A:HOH680 2.4 26.7 1.0 O A:GLN161 2.4 23.9 1.0 OG A:SER159 2.5 22.1 1.0 OE1 A:GLU166 2.5 22.3 1.0 OE2 A:GLU166 2.6 20.5 1.0 CD A:GLU166 2.9 18.6 1.0 CG A:ASP157 3.3 25.8 1.0 CB A:SER159 3.4 23.8 1.0 CG A:ASP155 3.5 23.0 1.0 C A:GLN161 3.6 22.4 1.0 OD2 A:ASP157 3.6 24.2 1.0 N A:SER159 3.9 24.6 1.0 OD2 A:ASP155 4.2 25.0 1.0 CA A:SER159 4.2 24.8 1.0 O A:HOH705 4.3 34.1 1.0 CA A:LEU162 4.3 22.4 1.0 N A:ASP163 4.4 23.4 1.0 CA A:ASP155 4.4 21.1 1.0 N A:GLN161 4.4 23.5 1.0 CG A:GLU166 4.4 19.4 1.0 N A:LEU162 4.5 22.9 1.0 CB A:ASP155 4.5 20.2 1.0 N A:ASP157 4.5 22.6 1.0 OD2 A:ASP163 4.6 28.2 1.0 CA A:GLN161 4.6 24.4 1.0 C A:ASP155 4.6 20.2 1.0 CB A:ASP157 4.6 23.4 1.0 N A:GLU158 4.7 23.1 1.0 N A:GLY160 4.7 25.7 1.0 C A:SER159 4.8 26.6 1.0 C A:LEU162 4.8 22.4 1.0 N A:ILE156 4.9 22.1 1.0 CG A:ASP163 4.9 26.4 1.0 CA A:ASP157 5.0 23.9 1.0 C A:ASP157 5.0 24.0 1.0

Calcium binding site 2 out of 3 in the Calcium-Loaded Apo-Aequorin From Aequorea Victoria


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of Calcium-Loaded Apo-Aequorin From Aequorea Victoria within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca670 b:32.5 occ:1.00 OD1 A:ASP26 2.2 32.1 1.0 O A:HOH716 2.3 38.5 1.0 O A:ARG32 2.3 37.5 1.0 OD1 A:ASN28 2.4 34.0 1.0 OE1 A:GLU37 2.4 32.4 1.0 OE2 A:GLU37 2.5 35.8 1.0 OD1 A:ASN30 2.5 40.2 1.0 CD A:GLU37 2.8 37.2 1.0 CG A:ASP26 3.3 32.5 1.0 CG A:ASN28 3.4 37.4 1.0 C A:ARG32 3.5 37.8 1.0 CG A:ASN30 3.5 40.7 1.0 ND2 A:ASN28 3.9 40.1 1.0 OD2 A:ASP26 3.9 34.1 1.0 ND2 A:ASN30 4.2 38.6 1.0 CA A:ILE33 4.2 33.8 1.0 N A:ASN30 4.3 39.7 1.0 CG A:GLU37 4.3 32.9 1.0 OE1 A:GLU78 4.3 47.9 1.0 N A:ILE33 4.3 36.2 1.0 N A:ASN28 4.4 36.0 1.0 N A:ARG32 4.4 38.6 1.0 CA A:ASP26 4.4 31.2 1.0 CB A:ASP26 4.4 31.1 1.0 CA A:ARG32 4.5 38.9 1.0 C A:ASP26 4.5 32.1 1.0 CB A:ASN30 4.5 39.5 1.0 CB A:ASN28 4.6 37.3 1.0 N A:HIS29 4.6 38.1 1.0 N A:VAL27 4.7 33.3 1.0 O A:HOH823 4.7 44.8 1.0 CA A:ASN28 4.7 37.2 1.0 N A:GLY31 4.8 39.5 1.0 O A:HOH735 4.8 39.2 1.0 CA A:ASN30 4.8 39.7 1.0 C A:ASN28 4.8 38.4 1.0 O A:ASP26 4.9 33.2 1.0 CB A:ARG32 5.0 39.6 1.0

Calcium binding site 3 out of 3 in the Calcium-Loaded Apo-Aequorin From Aequorea Victoria


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 3 of Calcium-Loaded Apo-Aequorin From Aequorea Victoria within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca671 b:28.5 occ:1.00 OD1 A:ASP119 2.2 33.5 1.0 OD1 A:ASP121 2.3 28.5 1.0 O A:ALA125 2.3 25.0 1.0 OE1 A:GLU130 2.4 26.1 1.0 OD1 A:ASN123 2.5 34.1 1.0 O A:HOH698 2.6 28.4 1.0 OE2 A:GLU130 2.6 30.7 1.0 CD A:GLU130 2.9 29.3 1.0 CG A:ASP121 3.3 39.0 1.0 CG A:ASP119 3.5 32.5 1.0 CG A:ASN123 3.5 35.9 1.0 C A:ALA125 3.6 28.0 1.0 OD2 A:ASP121 3.7 39.9 1.0 N A:ASP121 4.1 37.8 1.0 N A:ALA125 4.2 29.1 1.0 CA A:ASP119 4.2 30.6 1.0 OE1 A:GLN161 4.2 37.7 1.0 ND2 A:ASN123 4.3 34.2 1.0 N A:ASN123 4.3 37.7 1.0 OD2 A:ASP119 4.3 33.7 1.0 N A:SER127 4.3 24.8 1.0 CB A:ASP119 4.3 30.2 1.0 CA A:ILE126 4.4 24.4 1.0 CG A:GLU130 4.4 25.4 1.0 CB A:ASP121 4.4 38.3 1.0 N A:ILE126 4.4 24.4 1.0 CB A:ASN123 4.5 35.9 1.0 CA A:ALA125 4.5 28.2 1.0 C A:ASP119 4.5 32.9 1.0 CA A:ASP121 4.5 38.4 1.0 N A:GLN122 4.6 39.2 1.0 C A:ASP121 4.6 39.4 1.0 N A:LYS120 4.7 34.4 1.0 CA A:ASN123 4.8 36.2 1.0 C A:ILE126 4.8 23.1 1.0 O A:HOH715 4.8 34.6 1.0 N A:GLY124 4.9 34.5 1.0 O A:ASP119 5.0 32.2 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