Sodium in PDB 2fi3: Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin

Enzymatic activity of Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin

All present enzymatic activity of Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin:
3.4.21.4;

Protein crystallography data

The structure of Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin, PDB code: 2fi3 was solved by E.Zakharova, M.P.Horvath, D.P.Goldenberg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	20.00 / 1.58
*Space group*	I 2 2 2
*Cell size a, b, c (Å), α, β, γ (°)*	74.744, 81.748, 124.274, 90.00, 90.00, 90.00
*R / R_free (%)*	20.3 / 21.8

Other elements in 2fi3:

The structure of Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin also contains other interesting chemical elements:

Calcium

(Ca)

2 atoms

Sodium Binding Sites:

The binding sites of Sodium atom in the Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin (pdb code 2fi3). 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 Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin, PDB code: 2fi3:

Sodium binding site 1 out of 1 in 2fi3

Go back to

Sodium Binding Sites List in 2fi3

Sodium binding site 1 out of 1 in the Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin

Mono view

Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Crystal Structure of A Bpti Variant (CYS14->Ser, CYS38->Ser) in Complex with Trypsin within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
E:Na2001 b:44.1 occ:1.00	OD2	E:ASP71	2.7	15.0	1.0
	OE2	E:GLU77	2.7	23.8	1.0
	O	E:HOH2173	3.2	35.6	1.0
	CD	E:GLU77	3.5	22.7	1.0
	OE1	E:GLU77	3.6	20.5	1.0
	CG	E:ASP71	3.7	14.8	1.0
	CG1	E:VAL154	3.9	15.7	1.0
	O	E:HOH2176	4.0	36.0	1.0
	CB	E:ASP71	4.1	12.9	1.0
	O	E:HOH2069	4.2	20.1	1.0
	CB	E:ASN72	4.5	12.5	1.0
	O	E:HOH2183	4.5	29.0	1.0
	N	E:ASN72	4.5	12.5	1.0
	CB	E:ALA24	4.6	17.3	1.0
	O	E:HOH2157	4.8	31.4	1.0
	OD1	E:ASP71	4.8	15.1	1.0
	CG	E:GLU77	5.0	22.1	1.0

Reference:

E.Zakharova, M.P.Horvath, D.P.Goldenberg. Functional and Structural Roles of the CYS14-CYS38 Disulfide of Bovine Pancreatic Trypsin Inhibitor. J.Mol.Biol. V. 382 998 2008.
ISSN: ISSN 0022-2836
PubMed: 18692070
DOI: 10.1016/J.JMB.2008.07.063

Page generated: Mon Oct 7 02:27:06 2024

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