Calcium in PDB 2b03: Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate

Enzymatic activity of Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate

All present enzymatic activity of Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate:
3.1.1.4;

Protein crystallography data

The structure of Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate, PDB code: 2b03 was solved by Y.H.Pan, B.J.Bahnson, M.K.Jain, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	30.47 / 2.30
*Space group*	P 3₁ 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	69.154, 69.154, 64.407, 90.00, 90.00, 120.00
*R / R_free (%)*	21.1 / 25.8

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate (pdb code 2b03). 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 Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate, PDB code: 2b03:

Calcium binding site 1 out of 1 in 2b03

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Calcium Binding Sites List in 2b03

Calcium binding site 1 out of 1 in the Crystal Structure of Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate

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 Porcine Pancreatic Phospholipase A2 in Complex with Taurochenodeoxycholate within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Ca125 b:11.5 occ:0.50	O	A:SER72	2.3	28.7	1.0
	OE2	A:GLU92	2.3	29.7	1.0
	OE2	A:GLU71	2.3	41.2	1.0
	C	A:SER72	3.3	30.1	1.0
	CD	A:GLU92	3.3	32.1	1.0
	CD	A:GLU71	3.5	39.6	1.0
	N	A:SER72	3.6	30.7	1.0
	CA	A:SER72	3.8	28.6	1.0
	CG	A:GLU92	3.9	31.9	1.0
	CB	A:SER72	3.9	29.5	1.0
	O	A:HOH128	4.2	29.4	1.0
	OE1	A:GLU92	4.3	32.8	1.0
	CG	A:GLU71	4.4	36.4	1.0
	N	A:TYR73	4.4	30.5	1.0
	OE1	A:GLU71	4.4	43.1	1.0
	C	A:GLU71	4.4	31.7	1.0
	CA	A:TYR73	4.8	31.8	1.0
	CA	A:GLU71	4.9	31.5	1.0
	OG	A:SER72	5.0	25.7	1.0

Reference:

Y.H.Pan, B.J.Bahnson. Structural Basis For Bile Salt Inhibition of Pancreatic Phospholipase A2. J.Mol.Biol. V. 369 439 2007.
ISSN: ISSN 0022-2836
PubMed: 17434532
DOI: 10.1016/J.JMB.2007.03.034

Page generated: Fri Jul 12 08:54:25 2024

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