Calcium in PDB 1bit: The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form

The structure of The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form, PDB code: 1bit was solved by G.I.Berglund, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	8.00 / 1.83
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	77.090, 82.330, 31.160, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The binding sites of Calcium atom in the The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form (pdb code 1bit). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form, PDB code: 1bit:

Calcium binding site 1 out of 1 in the The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of The Crystal Structure of Anionic Salmon Trypsin in A Second Crystal Form within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca248 b:17.6 occ:1.00 O A:VAL75 2.3 19.5 1.0 OE1 A:GLU70 2.4 15.8 1.0 O A:ASN72 2.4 26.2 1.0 OE2 A:GLU80 2.4 18.3 1.0 O A:HOH331 2.5 12.4 1.0 OE1 A:GLU77 2.6 20.7 1.0 CD A:GLU77 3.2 40.1 1.0 CD A:GLU70 3.4 10.3 1.0 C A:VAL75 3.5 18.9 1.0 C A:ASN72 3.5 23.2 1.0 CD A:GLU80 3.6 15.3 1.0 CG A:GLU77 3.8 16.0 1.0 OE2 A:GLU70 3.9 13.6 1.0 OE2 A:GLU77 4.1 25.9 1.0 N A:ASN72 4.2 11.8 1.0 CA A:ILE73 4.2 22.4 1.0 CG A:GLU80 4.2 19.4 1.0 N A:ILE73 4.2 13.8 1.0 N A:GLU77 4.2 12.4 1.0 CA A:THR76 4.2 10.2 1.0 N A:THR76 4.3 24.9 1.0 N A:VAL75 4.3 19.0 1.0 CA A:ASN72 4.4 11.8 1.0 CA A:VAL75 4.4 10.1 1.0 C A:ILE73 4.4 15.5 1.0 O A:HOH358 4.4 25.1 1.0 CB A:GLU77 4.5 18.2 1.0 N A:HIS71 4.5 11.1 1.0 OE1 A:GLU80 4.6 25.6 1.0 C A:THR76 4.6 9.1 1.0 CG A:GLU70 4.7 7.9 1.0 CA A:GLU70 4.8 9.3 1.0 O A:ILE73 4.8 26.6 1.0 N A:LYS74 4.9 14.7 1.0 CB A:ASN72 4.9 9.9 1.0 CB A:GLU70 4.9 17.2 1.0 CB A:VAL75 5.0 11.9 1.0

G.I.Berglund, A.O.Smalas, A.Hordvik, N.P.Willassen. Structure of Anionic Salmon Trypsin in A Second Crystal Form. Acta Crystallogr.,Sect.D V. 51 725 1995.
ISSN: ISSN 0907-4449
PubMed: 15299802
DOI: 10.1107/S0907444995000333