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Calcium in PDB 1psh: Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association

Enzymatic activity of Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association

All present enzymatic activity of Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association:
3.1.1.4;

Protein crystallography data

The structure of Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association, PDB code: 1psh was solved by D.Fremont, N.-H.Xuong, I.Wilson, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 6.00 / 2.30
Space group P 43 21 2
Cell size a, b, c (Å), α, β, γ (°) 88.600, 88.600, 107.400, 90.00, 90.00, 90.00
R / Rfree (%) 17.4 / n/a

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association (pdb code 1psh). 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 Phospholipase A2 From Indian Cobra Reveals A Trimeric Association, PDB code: 1psh:
Jump to Calcium binding site number: 1; 2; 3;

Calcium binding site 1 out of 3 in 1psh

Go back to Calcium Binding Sites List in 1psh
Calcium binding site 1 out of 3 in the Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association


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 Phospholipase A2 From Indian Cobra Reveals A Trimeric Association within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca120

b:22.5
occ:1.00
O A:HOH144 1.6 31.4 1.0
O A:HOH130 1.8 22.6 1.0
OD2 A:ASP48 1.9 14.0 1.0
O A:TYR27 2.0 22.1 1.0
O A:GLY31 2.1 24.4 1.0
O A:GLY29 2.3 26.7 1.0
OD1 A:ASP48 2.5 15.0 1.0
CG A:ASP48 2.6 12.4 1.0
C A:TYR27 3.2 20.5 1.0
C A:GLY31 3.3 25.8 1.0
C A:GLY29 3.5 31.1 1.0
N A:GLY31 3.9 29.1 1.0
C A:CYS28 4.1 24.9 1.0
O A:HOH164 4.1 50.6 1.0
CA A:TYR27 4.1 22.0 1.0
O A:CYS28 4.1 29.8 1.0
CA A:GLY31 4.1 27.5 1.0
CB A:ASP48 4.1 12.5 1.0
N A:CYS28 4.2 22.4 1.0
O A:HOH134 4.2 24.1 1.0
N A:GLY29 4.2 27.4 1.0
C A:ARG30 4.3 33.5 1.0
CA A:CYS28 4.4 23.6 1.0
N A:GLY32 4.4 24.9 1.0
CA A:GLY29 4.5 30.4 1.0
N A:ARG30 4.5 33.7 1.0
CB A:TYR27 4.6 21.6 1.0
CA A:ARG30 4.7 36.1 1.0
O A:ARG30 4.7 36.2 1.0
O A:HOH141 4.8 29.4 1.0
O A:CYS44 4.8 15.8 1.0
CA A:GLY32 4.8 27.4 1.0
CD1 A:TYR27 4.9 22.8 1.0

Calcium binding site 2 out of 3 in 1psh

Go back to Calcium Binding Sites List in 1psh
Calcium binding site 2 out of 3 in the Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association


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 Phospholipase A2 From Indian Cobra Reveals A Trimeric Association within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca120

b:42.1
occ:1.00
O B:HOH147 1.5 60.4 1.0
OD2 B:ASP48 1.7 32.1 1.0
O B:TYR27 1.7 40.6 1.0
O B:GLY31 2.0 49.6 1.0
O B:GLY29 2.2 42.0 1.0
CG B:ASP48 2.7 27.9 1.0
OD1 B:ASP48 2.7 31.6 1.0
C B:TYR27 3.0 41.0 1.0
C B:GLY31 3.2 47.6 1.0
C B:GLY29 3.5 43.2 1.0
CA B:TYR27 3.8 43.7 1.0
N B:GLY31 4.0 45.8 1.0
C B:CYS28 4.0 41.9 1.0
N B:CYS28 4.0 38.6 1.0
CA B:GLY31 4.1 46.4 1.0
N B:GLY29 4.1 42.6 1.0
CB B:ASP48 4.1 26.3 1.0
O B:CYS28 4.2 44.8 1.0
N B:GLY32 4.3 47.6 1.0
CA B:CYS28 4.3 40.3 1.0
C B:ARG30 4.3 46.3 1.0
CA B:GLY29 4.4 42.8 1.0
CB B:TYR27 4.4 44.3 1.0
N B:ARG30 4.5 45.2 1.0
CA B:GLY32 4.6 48.0 1.0
O B:ARG30 4.7 48.2 1.0
CA B:ARG30 4.8 46.5 1.0
O B:CYS44 4.9 37.8 1.0
O B:HOH135 4.9 46.0 1.0

Calcium binding site 3 out of 3 in 1psh

Go back to Calcium Binding Sites List in 1psh
Calcium binding site 3 out of 3 in the Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association


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 Phospholipase A2 From Indian Cobra Reveals A Trimeric Association within 5.0Å range:
probe atom residue distance (Å) B Occ
C:Ca120

b:27.9
occ:1.00
O C:HOH132 1.6 25.4 1.0
O C:TYR27 1.8 24.1 1.0
OD2 C:ASP48 1.9 24.8 1.0
O C:HOH134 1.9 26.1 1.0
O C:GLY31 2.1 32.3 1.0
O C:GLY29 2.2 25.2 1.0
OD1 C:ASP48 2.5 24.6 1.0
CG C:ASP48 2.6 21.4 1.0
C C:TYR27 3.0 23.1 1.0
C C:GLY31 3.3 32.5 1.0
C C:GLY29 3.5 28.3 1.0
N C:GLY29 3.7 30.9 1.0
CA C:TYR27 3.9 26.6 1.0
N C:GLY31 4.0 33.9 1.0
N C:CYS28 4.1 24.2 1.0
CB C:ASP48 4.1 17.9 1.0
CA C:GLY31 4.2 31.5 1.0
O C:HOH137 4.2 27.9 1.0
CA C:CYS28 4.3 28.6 1.0
CB C:TYR27 4.3 27.5 1.0
C C:ARG30 4.3 33.7 1.0
CA C:GLY29 4.3 28.1 1.0
C C:CYS28 4.4 31.6 1.0
O C:HOH172 4.4 63.1 1.0
N C:GLY32 4.4 33.2 1.0
N C:ARG30 4.5 30.6 1.0
O C:HOH131 4.7 25.2 1.0
CA C:GLY32 4.7 34.8 1.0
O C:ARG30 4.8 34.6 1.0
CA C:ARG30 4.8 35.0 1.0
CD2 C:TYR27 5.0 25.2 1.0
O C:CYS44 5.0 16.7 1.0

Reference:

D.H.Fremont, D.H.Anderson, I.A.Wilson, E.A.Dennis, N.H.Xuong. Crystal Structure of Phospholipase A2 From Indian Cobra Reveals A Trimeric Association. Proc.Natl.Acad.Sci.Usa V. 90 342 1993.
ISSN: ISSN 0027-8424
PubMed: 8419939
DOI: 10.1073/PNAS.90.1.342
Page generated: Thu Jul 11 13:52:07 2024

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