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Calcium in PDB 1s85: Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate

Enzymatic activity of Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate

All present enzymatic activity of Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate:
3.4.21.4;

Protein crystallography data

The structure of Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate, PDB code: 1s85 was solved by T.R.Transue, J.M.Krahn, S.A.Gabel, E.F.Derose, R.E.London, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 100.00 / 2.20
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 75.844, 55.410, 46.930, 90.00, 90.00, 90.00
R / Rfree (%) 21.2 / 25.4

Calcium Binding Sites:

The binding sites of Calcium atom in the Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate (pdb code 1s85). 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 Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate, PDB code: 1s85:

Calcium binding site 1 out of 1 in 1s85

Go back to Calcium Binding Sites List in 1s85
Calcium binding site 1 out of 1 in the Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Porcine Trypsin Complexed with P-Hydroxymethyl Benzamidine and Borate within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca801

b:31.0
occ:1.00
OE2 A:GLU80 2.1 40.4 1.0
O A:ASN72 2.2 28.7 1.0
O A:HOH869 2.2 25.5 1.0
O A:VAL75 2.2 32.1 1.0
OE1 A:GLU77 2.3 37.4 0.5
H2 A:HOH1001 2.3 22.5 0.5
O A:HOH1001 2.3 22.5 0.5
OE1 A:GLU70 2.4 28.5 1.0
H1 A:HOH869 2.4 25.5 1.0
H2 A:HOH869 2.7 25.5 1.0
H1 A:HOH1001 3.2 22.5 0.5
CD A:GLU80 3.2 39.2 1.0
HA A:LEU76 3.2 36.4 1.0
C A:VAL75 3.3 32.9 1.0
CD A:GLU77 3.3 38.0 0.5
C A:ASN72 3.3 29.8 1.0
HG3 A:GLU77 3.4 38.6 0.5
HG2 A:GLU80 3.4 38.1 1.0
H A:GLU77 3.5 39.1 1.0
CD A:GLU70 3.5 27.6 1.0
H A:HIS71 3.6 28.9 1.0
H A:VAL75 3.6 32.6 1.0
HG3 A:GLU77 3.6 42.1 0.5
HA A:ILE73 3.6 28.1 1.0
HA A:GLU70 3.7 27.3 1.0
HB3 A:ASN72 3.7 28.4 1.0
CG A:GLU80 3.7 38.1 1.0
HG3 A:GLU80 3.8 38.1 1.0
CG A:GLU77 3.8 38.6 0.5
N A:LEU76 4.0 35.5 1.0
H A:ASN72 4.0 29.6 1.0
CA A:LEU76 4.0 36.4 1.0
HB2 A:GLU77 4.1 39.1 0.5
OE2 A:GLU70 4.1 27.1 1.0
HB2 A:GLU77 4.1 41.2 0.5
H1 A:HOH900 4.1 26.6 0.5
N A:GLU77 4.1 39.1 1.0
H1 A:HOH900 4.1 24.2 0.5
N A:ILE73 4.2 28.9 1.0
CA A:ASN72 4.2 29.6 1.0
HD23 A:LEU76 4.3 37.5 1.0
O A:HOH900 4.3 26.6 0.5
OE1 A:GLU80 4.3 40.2 1.0
N A:VAL75 4.3 32.6 1.0
N A:ASN72 4.3 29.6 1.0
CA A:ILE73 4.3 28.1 1.0
OE2 A:GLU77 4.4 37.7 0.5
CA A:VAL75 4.4 33.0 1.0
C A:LEU76 4.5 37.4 1.0
CB A:GLU77 4.5 39.1 0.5
CB A:ASN72 4.5 28.4 1.0
HB3 A:GLU70 4.5 26.3 1.0
CG A:GLU77 4.5 42.1 0.5
N A:HIS71 4.6 28.9 1.0
H2 A:HOH900 4.6 26.6 0.5
CA A:GLU70 4.6 27.3 1.0
HB A:VAL75 4.7 33.0 1.0
CB A:GLU77 4.7 41.2 0.5
H2 A:HOH835 4.7 22.7 0.9
CG A:GLU70 4.7 26.7 1.0
C A:ILE73 4.7 29.1 1.0
O A:HOH934 4.7 27.1 0.6
HG2 A:GLU77 4.8 38.6 0.5
OE1 A:GLU77 4.8 44.0 0.5
CB A:GLU70 4.9 26.3 1.0
H A:ASP74 4.9 30.8 1.0
H2 A:HOH900 4.9 24.2 0.5
H2 A:HOH934 4.9 27.1 0.6
H A:LEU76 4.9 35.5 1.0
O A:HOH900 4.9 24.2 0.5
CA A:GLU77 5.0 39.5 0.5
N A:ASP74 5.0 30.8 1.0

Reference:

T.R.Transue, J.M.Krahn, S.A.Gabel, E.F.Derose, R.E.London. X-Ray and uc(Nmr) Characterization of Covalent Complexes of Trypsin, Borate, and Alcohols. Biochemistry V. 43 2829 2004.
ISSN: ISSN 0006-2960
PubMed: 15005618
DOI: 10.1021/BI035782Y
Page generated: Thu Jul 11 22:28:57 2024

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