Sodium in PDB 1avf: Activation Intermediate 2 of Human Gastricsin From Human Stomach

All present enzymatic activity of Activation Intermediate 2 of Human Gastricsin From Human Stomach:
3.4.23.3;

The structure of Activation Intermediate 2 of Human Gastricsin From Human Stomach, PDB code: 1avf was solved by A.R.Khan, M.M.Cherney, N.I.Tarasova, M.N.G.James, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 2.36
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	156.260, 50.410, 125.180, 90.00, 117.62, 90.00
R / Rfree (%)	22.7 / 28.2

The binding sites of Sodium atom in the Activation Intermediate 2 of Human Gastricsin From Human Stomach (pdb code 1avf). 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 Activation Intermediate 2 of Human Gastricsin From Human Stomach, PDB code: 1avf:

Sodium binding site 1 out of 1 in the Activation Intermediate 2 of Human Gastricsin From Human Stomach


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Activation Intermediate 2 of Human Gastricsin From Human Stomach within 5.0Å range: probe atom residue distance (Å) B Occ A:Na330 b:7.6 occ:1.00 O A:HOH342 2.3 6.0 1.0 O A:HOH471 2.3 15.5 1.0 OG A:SER275 2.4 8.5 1.0 O A:HOH332 2.4 11.5 1.0 OG A:SER311 2.5 4.4 1.0 O A:HOH335 2.6 3.7 1.0 CB A:SER311 3.3 2.0 1.0 CB A:SER275 3.5 4.1 1.0 CA A:SER311 4.0 2.0 1.0 O A:HOH355 4.1 13.3 1.0 CD A:PRO272 4.1 11.4 1.0 O A:HOH539 4.3 49.2 1.0 CG A:PRO272 4.4 10.9 1.0 O A:HOH553 4.4 41.1 1.0 O A:HOH391 4.5 22.3 1.0 O A:SER311 4.7 2.0 1.0 O A:HOH339 4.8 2.0 1.0 CA A:SER275 4.8 4.9 1.0 C A:SER311 4.8 2.0 1.0 O A:PRO270 5.0 5.0 1.0

A.R.Khan, M.M.Cherney, N.I.Tarasova, M.N.James. Structural Characterization of Activation 'Intermediate 2' on the Pathway to Human Gastricsin. Nat.Struct.Biol. V. 4 1010 1997.
ISSN: ISSN 1072-8368
PubMed: 9406551
DOI: 10.1038/NSB1297-1010