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Calcium in PDB 1s6b: X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation

Enzymatic activity of X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation

All present enzymatic activity of X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation:
3.1.1.4;

Protein crystallography data

The structure of X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation, PDB code: 1s6b was solved by T.Jabeen, S.Sharma, R.K.Singh, P.Kaur, T.P.Singh, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.60
Space group P 41
Cell size a, b, c (Å), α, β, γ (°) 64.537, 64.537, 57.117, 90.00, 90.00, 90.00
R / Rfree (%) 20.6 / 23.6

Calcium Binding Sites:

The binding sites of Calcium atom in the X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation (pdb code 1s6b). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total 2 binding sites of Calcium where determined in the X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation, PDB code: 1s6b:
Jump to Calcium binding site number: 1; 2;

Calcium binding site 1 out of 2 in 1s6b

Go back to Calcium Binding Sites List in 1s6b
Calcium binding site 1 out of 2 in the X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca401

b:13.8
occ:1.00
 O A:HOH537 2.3 30.4 1.0
O B:HOH715 2.3 34.5 1.0
OD1 A:ASN112 2.3 37.9 1.0
OD2 B:ASP24 2.3 36.4 1.0
OD1 B:ASN112 2.4 39.9 1.0
OD2 A:ASP24 2.6 38.9 1.0
OD1 A:ASP24 2.6 36.8 1.0
CG A:ASP24 3.0 32.7 1.0
CG B:ASP24 3.2 29.2 1.0
CG B:ASN112 3.3 33.2 1.0
CG A:ASN112 3.4 33.2 1.0
OD1 B:ASP24 3.5 30.6 1.0
ND2 B:ASN112 3.9 36.4 1.0
CA A:ASN112 4.0 30.0 1.0
CB A:ASN112 4.2 31.0 1.0
CA B:ASN112 4.3 32.6 1.0
ND2 A:ASN112 4.3 37.6 1.0
O A:HOH503 4.3 37.2 1.0
CB B:ASN112 4.4 32.3 1.0
CB B:ASP24 4.4 29.1 1.0
O A:ILE113 4.4 28.1 1.0
C A:ASN112 4.5 29.5 1.0
CB A:ASP24 4.5 31.3 1.0
O B:ILE113 4.5 33.4 1.0
C B:ASN112 4.6 32.6 1.0
O B:HOH649 4.7 30.3 1.0
CD1 B:LEU115 4.8 31.0 1.0
O A:HOH565 4.8 25.2 1.0
O B:ASN112 4.8 31.8 1.0
O A:ASN112 4.9 28.9 1.0
N A:ILE113 4.9 28.9 1.0

Calcium binding site 2 out of 2 in 1s6b

Go back to Calcium Binding Sites List in 1s6b
Calcium binding site 2 out of 2 in the X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 2 of X-Ray Crystal Structure of A Complex Formed Between Two Homologous Isoforms of Phospholipase A2 From Naja Naja Sagittifera: Principle of Molecular Association and Inactivation within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Ca402

b:20.2
occ:1.00
 O B:HOH627 2.3 36.7 1.0
OD2 B:ASP49 2.4 36.7 1.0
O3 B:PO4501 2.4 35.5 1.0
O B:TYR28 2.4 28.1 1.0
O B:GLY30 2.5 30.3 1.0
O B:GLY32 2.5 35.0 1.0
OD1 B:ASP49 2.5 33.7 1.0
CG B:ASP49 2.8 33.3 1.0
P B:PO4501 3.6 40.1 1.0
C B:GLY32 3.6 34.8 1.0
C B:TYR28 3.6 27.7 1.0
C B:GLY30 3.6 28.1 1.0
N B:GLY32 3.7 32.3 1.0
O1 B:PO4501 3.8 38.2 1.0
N B:GLY30 3.9 26.4 1.0
O4 B:PO4501 4.1 39.8 1.0
C B:ARG31 4.1 30.9 1.0
O B:HOH799 4.1 50.9 1.0
CA B:GLY32 4.2 33.8 1.0
CA B:TYR28 4.2 29.0 1.0
CB B:ASP49 4.3 30.4 1.0
O B:HOH673 4.3 53.4 1.0
CA B:ARG31 4.4 30.0 1.0
CA B:GLY30 4.5 27.2 1.0
C B:CYS29 4.5 26.7 1.0
N B:ARG31 4.5 29.4 1.0
NH2 A:ARG31 4.5 28.8 1.0
N B:CYS29 4.6 26.7 1.0
N B:GLY33 4.6 35.8 1.0
CA B:CYS29 4.6 26.1 1.0
CB B:TYR28 4.6 29.4 1.0
O B:ARG31 4.7 31.6 1.0
O B:CYS45 4.7 27.5 1.0
CA B:GLY33 4.8 36.9 1.0
O B:HOH652 4.8 36.9 1.0
O2 B:PO4501 4.8 39.2 1.0

Reference:

T.Jabeen, S.Sharma, N.Singh, R.K.Singh, P.Kaur, M.Perbandt, C.H.Betzel, A.Srinivasan, T.P.Singh. Crystal Structure of A Calcium-Induced Dimer of Two Isoforms of Cobra Phospholipase A2 at 1.6 A Resolution. Proteins V. 59 856 2005.
ISSN: ISSN 0887-3585
PubMed: 15828003
DOI: 10.1002/PROT.20464
Page generated: Sat Dec 12 03:18:42 2020

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