Sodium in PDB 1lok: The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition

Enzymatic activity of The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition

All present enzymatic activity of The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition:
3.4.11.10;

Protein crystallography data

The structure of The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition, PDB code: 1lok was solved by W.T.Desmarais, D.L.Bienvenue, K.P.Bzymek, R.C.Holz, G.A.Petsko, D.Ringe, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	27.08 / 1.20
*Space group*	P 6₁ 2 2
*Cell size a, b, c (Å), α, β, γ (°)*	108.338, 108.338, 93.519, 90.00, 90.00, 120.00
*R / R_free (%)*	15.8 / 19.8

Other elements in 1lok:

The structure of The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition also contains other interesting chemical elements:

Zinc

(Zn)

2 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition (pdb code 1lok). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition, PDB code: 1lok:

Sodium binding site 1 out of 1 in 1lok

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Sodium Binding Sites List in 1lok

Sodium binding site 1 out of 1 in the The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition

Mono view

Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris: A Tale of Buffer Inhibition within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Na903 b:16.6 occ:1.00	O	A:HOH1035	2.3	16.1	1.0
	OH	A:TYR218	2.3	15.1	1.0
	O	A:HOH1043	2.5	19.6	1.0
	O	A:HOH1045	2.5	17.7	1.0
	O	A:HOH1024	2.5	15.7	1.0
	O	A:HOH1095	2.5	20.5	1.0
	CZ	A:TYR218	3.4	12.6	1.0
	CE1	A:TYR218	3.6	13.4	1.0
	OG1	A:THR206	4.0	11.6	1.0
	OD2	A:ASP210	4.0	16.5	1.0
	O	A:HOH1185	4.1	34.5	1.0
	CB	A:THR206	4.3	11.2	1.0
	OD1	A:ASP210	4.4	14.1	1.0
	CE2	A:TYR218	4.6	13.3	1.0
	CG	A:ASP210	4.6	14.2	1.0
	NE2	A:GLN203	4.8	13.3	1.0
	O	A:HOH1034	4.9	17.1	1.0
	CD1	A:TYR218	4.9	11.9	1.0

Reference:

W.T.Desmarais, D.L.Bienvenue, K.P.Bzymek, R.C.Holz, G.A.Petsko, D.Ringe. The 1.20 Angstrom Resolution Crystal Structure of the Aminopeptidase From Aeromonas Proteolytica Complexed with Tris A Tale of Buffer Inhibition Structure V. 10 1063 2002.
ISSN: ISSN 0969-2126
PubMed: 12176384
DOI: 10.1016/S0969-2126(02)00810-9

Page generated: Sun Oct 6 20:17:18 2024

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