Sodium in PDB 1px4: E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound

All present enzymatic activity of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound:
3.2.1.23;

The structure of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound, PDB code: 1px4 was solved by D.H.Juers, S.Hakda, B.W.Matthews, R.E.Huber, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.50 / 1.60
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	149.490, 168.290, 200.440, 90.00, 90.00, 90.00
R / Rfree (%)	n/a / n/a

The structure of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound also contains other interesting chemical elements:

Magnesium

(Mg)

16 atoms

Pages:

>>> Page 1 <<< Page 2, Binding sites: 11 - 16;

Binding sites:

The binding sites of Sodium atom in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound (pdb code 1px4). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 16 binding sites of Sodium where determined in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound, PDB code: 1px4:
Jump to Sodium binding site number: 1; 2; 3; 4; 5; 6; 7; 8; 9; 10;

Sodium binding site 1 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Na3101 b:16.5 occ:1.00 O A:HOH8873 2.2 20.7 1.0 O6 A:IPT2001 2.3 16.2 1.0 OD2 A:ASP201 2.3 12.8 1.0 O A:PHE601 2.4 16.6 1.0 OD1 A:ASN604 2.5 17.2 1.0 C6 A:IPT2001 3.2 15.2 1.0 CG A:ASP201 3.2 15.8 1.0 CG A:ASN604 3.4 22.7 1.0 OD1 A:ASP201 3.5 17.2 1.0 C A:PHE601 3.5 19.9 1.0 OH A:TYR100 3.6 15.5 1.0 ND2 A:ASN604 3.6 14.0 1.0 NE1 A:TRP568 4.1 14.9 1.0 O4 A:IPT2001 4.2 14.8 1.0 CA A:CYS602 4.2 16.1 1.0 C5 A:IPT2001 4.3 11.3 1.0 C4 A:IPT2001 4.3 16.2 1.0 N A:CYS602 4.3 15.2 1.0 O A:HOH8653 4.4 17.8 1.0 CB A:ASP201 4.4 11.4 1.0 CB A:PHE601 4.5 12.4 1.0 CA A:PHE601 4.5 19.6 1.0 C A:CYS602 4.7 33.9 1.0 NE2 A:HIS540 4.7 14.0 1.0 CZ A:TYR100 4.7 21.9 1.0 O A:ASP201 4.7 14.0 1.0 CB A:ASN604 4.8 11.3 1.0 CE2 A:TRP568 4.9 16.0 1.0 CZ2 A:TRP568 4.9 16.7 1.0

Sodium binding site 2 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Na3102 b:12.3 occ:1.00 O A:TYR559 2.3 12.1 1.0 O A:PHE556 2.3 13.4 1.0 O A:LEU562 2.3 10.5 1.0 O A:HOH8997 2.5 22.8 1.0 O A:HOH9197 2.7 22.5 1.0 O A:PRO560 3.2 12.4 1.0 C A:TYR559 3.3 12.4 1.0 C A:LEU562 3.4 10.7 1.0 C A:PHE556 3.5 15.2 1.0 C A:PRO560 3.6 8.0 1.0 CA A:PRO560 3.6 8.6 1.0 N A:PRO560 3.9 11.5 1.0 N A:LEU562 4.0 8.2 1.0 O A:HOH8880 4.0 18.0 1.0 CA A:LEU562 4.2 9.5 1.0 CA A:PHE556 4.2 7.8 1.0 CB A:LEU562 4.3 9.4 1.0 N A:GLN563 4.3 9.5 1.0 O A:HOH9337 4.4 38.1 1.0 N A:TYR559 4.4 8.9 1.0 CA A:GLN563 4.4 8.0 1.0 CA A:TYR559 4.5 7.6 1.0 N A:ARG561 4.5 7.9 1.0 N A:ARG557 4.5 9.3 1.0 CA A:ARG557 4.6 7.0 1.0 O A:ARG557 4.7 12.7 1.0 C A:ARG557 4.7 10.3 1.0 CG A:GLN563 4.7 9.6 1.0 CB A:PHE556 4.8 9.5 1.0 C A:ARG561 4.8 11.2 1.0 CD1 A:LEU350 4.9 8.4 1.0 O A:ALA555 4.9 10.8 1.0

Sodium binding site 3 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 3 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Na3103 b:32.7 occ:1.00 O A:HOH9280 2.3 34.0 1.0 O A:PRO932 2.5 17.7 1.0 O A:LEU967 2.7 20.9 1.0 O A:HOH8804 2.8 20.5 1.0 O A:THR970 2.9 31.1 1.0 O A:HOH9125 3.2 23.2 1.0 CZ A:PHE931 3.3 24.2 1.0 C A:PRO932 3.5 17.2 1.0 CE1 A:PHE931 3.7 20.0 1.0 CE2 A:PHE931 3.7 16.3 1.0 O A:MET968 3.7 25.5 1.0 C A:LEU967 3.8 19.0 1.0 CB A:PRO932 3.9 16.3 1.0 C A:MET968 3.9 25.0 1.0 C A:THR970 4.0 23.3 1.0 CD A:PRO932 4.0 11.9 1.0 CA A:PRO932 4.1 13.3 1.0 CA A:MET968 4.1 14.2 1.0 N A:PRO932 4.1 11.7 1.0 N A:THR970 4.3 16.1 1.0 CD1 A:PHE931 4.4 13.8 1.0 CD2 A:PHE931 4.4 16.6 1.0 N A:MET968 4.4 13.4 1.0 CG A:PRO932 4.4 22.3 1.0 N A:SER933 4.6 14.2 1.0 CG A:PHE931 4.7 16.7 1.0 N A:GLU969 4.7 16.8 1.0 CA A:SER971 4.8 20.2 1.0 N A:SER971 4.8 20.8 1.0 CA A:THR970 4.8 15.9 1.0 CA A:SER933 4.8 14.5 1.0 C A:PHE931 4.9 21.7 1.0 CA A:LEU967 5.0 14.4 1.0

Sodium binding site 4 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 4 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ A:Na3104 b:30.6 occ:1.00 O A:DMS8425 2.1 76.2 1.0 O A:LEU670 2.4 15.6 1.0 O A:SER647 2.4 15.9 1.0 O A:GLU650 2.6 19.4 1.0 S A:DMS8425 3.1 55.6 1.0 C2 A:DMS8425 3.2 0.0 1.0 N A:GLU650 3.4 12.9 1.0 C A:LEU670 3.6 14.5 1.0 C A:SER647 3.6 16.6 1.0 C A:GLU650 3.6 19.9 1.0 N A:LEU670 3.9 23.9 1.0 CA A:GLU650 3.9 13.5 1.0 N A:ASN649 4.0 19.1 1.0 C A:ASP648 4.0 17.9 1.0 CA A:ASP648 4.0 16.2 1.0 CB A:GLU650 4.1 14.2 1.0 CA A:LEU670 4.2 19.2 1.0 N A:ASP648 4.3 16.7 1.0 OG A:SER647 4.3 16.7 1.0 CB A:LEU670 4.3 20.5 1.0 C A:ASN649 4.5 14.4 1.0 C1 A:DMS8425 4.6 37.8 1.0 N A:ASP671 4.6 16.8 1.0 O A:ASP648 4.6 17.6 1.0 CA A:ASN649 4.6 17.4 1.0 CB A:SER647 4.7 21.0 1.0 CA A:SER647 4.8 16.2 1.0 OE1 A:GLU650 4.8 17.8 1.0 C A:PRO669 4.8 20.6 1.0 CA A:ASP671 4.8 22.1 1.0 CB A:PRO669 4.9 48.6 1.0 N A:LEU651 4.9 17.5 1.0

Sodium binding site 5 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 5 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Na3101 b:16.0 occ:1.00 O B:HOH8888 2.1 22.1 1.0 O6 B:IPT2001 2.2 15.0 1.0 OD2 B:ASP201 2.3 15.4 1.0 OD1 B:ASN604 2.4 15.9 1.0 O B:PHE601 2.4 15.5 1.0 C6 B:IPT2001 3.1 14.5 1.0 CG B:ASP201 3.2 18.3 1.0 CG B:ASN604 3.4 17.3 1.0 C B:PHE601 3.6 14.9 1.0 OD1 B:ASP201 3.6 15.8 1.0 ND2 B:ASN604 3.7 16.8 1.0 OH B:TYR100 3.7 15.4 1.0 O4 B:IPT2001 4.1 14.2 1.0 NE1 B:TRP568 4.2 13.4 1.0 C5 B:IPT2001 4.2 17.9 1.0 CA B:CYS602 4.2 12.7 1.0 O B:HOH8667 4.3 17.0 1.0 N B:CYS602 4.3 12.5 1.0 C4 B:IPT2001 4.4 16.4 1.0 CB B:ASP201 4.4 13.4 1.0 CB B:PHE601 4.5 13.5 1.0 CA B:PHE601 4.5 14.9 1.0 NE2 B:HIS540 4.6 12.7 1.0 C B:CYS602 4.7 15.5 1.0 O B:ASP201 4.8 13.6 1.0 CB B:ASN604 4.8 11.1 1.0 CZ B:TYR100 4.8 20.5 1.0 CE2 B:TRP568 4.8 16.6 1.0 CZ2 B:TRP568 4.9 13.7 1.0

Sodium binding site 6 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 6 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Na3102 b:12.4 occ:1.00 O B:PHE556 2.2 9.9 1.0 O B:LEU562 2.2 10.9 1.0 O B:TYR559 2.3 12.2 1.0 O B:HOH9216 2.4 30.9 1.0 O B:HOH9012 2.6 19.9 1.0 O B:PRO560 3.2 11.2 1.0 C B:TYR559 3.3 11.2 1.0 C B:PHE556 3.3 10.4 1.0 C B:LEU562 3.4 11.4 1.0 C B:PRO560 3.6 9.7 1.0 CA B:PRO560 3.7 8.8 1.0 N B:PRO560 3.9 13.0 1.0 N B:LEU562 3.9 8.4 1.0 O B:HOH8895 4.1 17.3 1.0 CA B:PHE556 4.1 10.5 1.0 O B:HOH9362 4.1 36.5 1.0 CA B:LEU562 4.1 10.2 1.0 CB B:LEU562 4.3 9.2 1.0 N B:GLN563 4.3 6.8 1.0 O B:HOH9398 4.4 33.2 1.0 CA B:TYR559 4.4 9.6 1.0 N B:ARG557 4.4 9.6 1.0 N B:TYR559 4.4 10.6 1.0 CA B:GLN563 4.4 7.8 1.0 N B:ARG561 4.5 10.2 1.0 CA B:ARG557 4.6 9.5 1.0 C B:ARG557 4.7 14.1 1.0 CB B:PHE556 4.7 8.1 1.0 CG B:GLN563 4.7 9.6 1.0 O B:ARG557 4.8 15.2 1.0 CD1 B:LEU350 4.8 12.2 1.0 O B:ALA555 4.9 11.0 1.0 C B:ARG561 4.9 9.2 1.0 CB B:TYR559 4.9 10.5 1.0

Sodium binding site 7 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 7 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Na3103 b:25.7 occ:1.00 O B:PRO932 2.5 16.3 1.0 O B:LEU967 2.5 19.1 1.0 O B:THR970 2.8 30.8 1.0 O B:HOH8818 2.8 17.3 1.0 CZ B:PHE931 3.4 22.7 1.0 O B:HOH9143 3.4 24.8 1.0 C B:PRO932 3.6 18.8 1.0 C B:LEU967 3.7 16.4 1.0 CE1 B:PHE931 3.7 17.2 1.0 C B:THR970 3.8 29.4 1.0 CE2 B:PHE931 3.8 25.1 1.0 O B:MET968 3.9 21.4 1.0 CA B:MET968 3.9 14.3 1.0 C B:MET968 4.0 32.5 1.0 CB B:PRO932 4.2 18.3 1.0 CA B:PRO932 4.2 15.4 1.0 N B:PRO932 4.2 19.2 1.0 CD B:PRO932 4.3 20.5 1.0 N B:THR970 4.3 19.1 1.0 N B:MET968 4.3 15.3 1.0 CD1 B:PHE931 4.3 16.9 1.0 CD2 B:PHE931 4.4 13.8 1.0 N B:SER933 4.6 13.1 1.0 CA B:THR970 4.6 24.4 1.0 CG B:PRO932 4.6 14.9 1.0 N B:SER971 4.7 24.3 1.0 CG B:PHE931 4.7 15.3 1.0 O B:HOH9321 4.7 40.7 1.0 CA B:SER933 4.7 12.3 1.0 N B:GLU969 4.8 20.6 1.0 CA B:LEU967 4.8 14.9 1.0 C B:PHE931 4.9 21.0 1.0 CA B:SER971 4.9 22.2 1.0

Sodium binding site 8 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 8 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ B:Na3104 b:33.0 occ:1.00 O B:DMS8425 2.1 39.0 1.0 O B:LEU670 2.4 20.5 1.0 O B:SER647 2.5 17.4 1.0 O B:HOH9426 2.6 30.0 1.0 O B:HOH9308 2.8 32.1 1.0 O B:GLU650 2.8 19.6 1.0 S B:DMS8425 3.2 46.8 1.0 N B:GLU650 3.6 17.6 1.0 C2 B:DMS8425 3.6 37.0 1.0 C B:LEU670 3.6 20.2 1.0 C B:SER647 3.7 23.3 1.0 C B:GLU650 3.8 23.1 1.0 CA B:ASP648 3.9 20.8 1.0 C B:ASP648 4.0 25.3 1.0 N B:LEU670 4.0 25.4 1.0 N B:ASN649 4.1 20.4 1.0 CA B:GLU650 4.1 16.3 1.0 CA B:LEU670 4.2 20.5 1.0 CB B:LEU670 4.2 20.8 1.0 CB B:GLU650 4.3 15.5 1.0 N B:ASP648 4.3 13.5 1.0 OG B:SER647 4.3 15.0 1.0 O B:HOH9411 4.4 32.7 1.0 O B:ASP648 4.6 19.0 1.0 C B:ASN649 4.7 25.3 1.0 C1 B:DMS8425 4.7 23.9 1.0 N B:ASP671 4.7 19.0 1.0 CA B:ASN649 4.8 15.7 1.0 CB B:SER647 4.8 23.0 1.0 OE1 B:GLU650 4.8 15.7 1.0 CA B:SER647 4.8 16.1 1.0 CA B:ASP671 4.9 19.6 1.0 O B:HOH9366 4.9 54.7 1.0 N B:LEU651 5.0 19.5 1.0 C B:PRO669 5.0 18.0 1.0

Sodium binding site 9 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 9 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:Na3101 b:15.2 occ:1.00 O6 C:IPT2001 2.2 17.7 1.0 OD1 C:ASN604 2.3 13.9 1.0 O C:PHE601 2.4 14.7 1.0 O C:HOH8899 2.4 26.5 1.0 OD2 C:ASP201 2.4 15.2 1.0 C6 C:IPT2001 3.2 16.2 1.0 CG C:ASN604 3.3 13.2 1.0 CG C:ASP201 3.3 21.8 1.0 ND2 C:ASN604 3.5 17.3 1.0 C C:PHE601 3.5 19.4 1.0 OD1 C:ASP201 3.6 17.1 1.0 OH C:TYR100 3.7 16.4 1.0 O4 C:IPT2001 4.0 14.3 1.0 NE1 C:TRP568 4.1 14.7 1.0 CA C:CYS602 4.2 17.7 1.0 O C:HOH8677 4.3 17.3 1.0 C5 C:IPT2001 4.3 17.3 1.0 N C:CYS602 4.3 12.9 1.0 C4 C:IPT2001 4.3 15.0 1.0 CB C:PHE601 4.5 13.9 1.0 CB C:ASP201 4.5 14.9 1.0 CA C:PHE601 4.5 17.8 1.0 NE2 C:HIS540 4.6 12.5 1.0 O C:ASP201 4.7 12.3 1.0 C C:CYS602 4.7 20.3 1.0 CB C:ASN604 4.7 10.5 1.0 CZ C:TYR100 4.8 17.2 1.0 CE2 C:TRP568 4.8 13.1 1.0 CZ2 C:TRP568 4.9 14.4 1.0

Sodium binding site 10 out of 16 in the E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 10 of E. Coli (Lacz) Beta-Galactosidase (G794A) with Iptg Bound within 5.0Å range: probe atom residue distance (Å) B Occ C:Na3102 b:14.1 occ:1.00 O C:PHE556 2.2 10.3 1.0 O C:TYR559 2.3 13.0 1.0 O C:LEU562 2.3 11.7 1.0 O C:HOH9019 2.5 24.4 1.0 O C:HOH9211 2.8 30.6 1.0 O C:PRO560 3.2 13.0 1.0 C C:TYR559 3.3 11.7 1.0 C C:LEU562 3.4 10.3 1.0 C C:PHE556 3.4 10.4 1.0 C C:PRO560 3.6 16.2 1.0 CA C:PRO560 3.7 10.6 1.0 N C:PRO560 3.9 11.9 1.0 N C:LEU562 3.9 10.2 1.0 O C:HOH8906 4.1 19.0 1.0 CA C:PHE556 4.1 8.9 1.0 CA C:LEU562 4.1 9.1 1.0 O C:HOH9494 4.2 38.5 1.0 N C:GLN563 4.3 9.8 1.0 CB C:LEU562 4.3 9.4 1.0 CA C:TYR559 4.4 10.0 1.0 N C:TYR559 4.4 10.6 1.0 CA C:GLN563 4.4 9.1 1.0 N C:ARG557 4.4 10.4 1.0 N C:ARG561 4.5 10.7 1.0 CA C:ARG557 4.6 9.6 1.0 C C:ARG557 4.7 17.6 1.0 CG C:GLN563 4.7 11.5 1.0 CB C:PHE556 4.8 9.5 1.0 O C:ARG557 4.8 17.5 1.0 CD1 C:LEU350 4.8 12.9 1.0 O C:ALA555 4.8 11.2 1.0 C C:ARG561 4.9 11.3 1.0 CB C:TYR559 4.9 9.7 1.0

D.H.Juers, S.Hakda, B.W.Matthews, R.E.Huber. Structural Basis For the Altered Activity of GLY794 Variants of Escherichia Coli Beta-Galactosidase Biochemistry V. 42 13505 2003.
ISSN: ISSN 0006-2960
PubMed: 14621996
DOI: 10.1021/BI035506J