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Potassium in PDB 9i0l: Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended

Enzymatic activity of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended

All present enzymatic activity of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended:
1.1.1.205;

Potassium Binding Sites:

The binding sites of Potassium atom in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended (pdb code 9i0l). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 8 binding sites of Potassium where determined in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended, PDB code: 9i0l:
Jump to Potassium binding site number: 1; 2; 3; 4; 5; 6; 7; 8;

Potassium binding site 1 out of 8 in 9i0l

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Potassium binding site 1 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K603

b:34.9
occ:1.00
 O D:GLY322 2.7 35.4 1.0
O A:GLU495 2.9 33.7 1.0
O D:GLY320 2.9 33.3 1.0
O A:SER496 3.0 40.5 1.0
O D:CYS325 3.2 39.0 1.0
O A:HIS497 3.3 41.5 1.0
C A:SER496 3.5 36.2 1.0
C A:HIS497 3.6 36.9 1.0
C D:GLY322 3.8 29.5 1.0
C D:CYS325 3.9 34.1 1.0
CB D:CYS325 4.0 28.3 1.0
C A:GLU495 4.0 33.3 1.0
N A:PRO498 4.1 37.9 1.0
C D:PRO321 4.1 34.1 1.0
CA A:SER496 4.1 34.3 1.0
N A:HIS497 4.1 33.1 1.0
C D:GLY320 4.2 28.9 1.0
N D:GLY322 4.2 30.4 1.0
N D:CYS325 4.2 33.2 1.0
CA D:CYS325 4.3 30.7 1.0
ND1 A:HIS499 4.3 31.0 1.0
CA A:HIS497 4.3 30.7 1.0
CA A:PRO498 4.3 35.7 1.0
CE1 A:HIS499 4.4 30.0 1.0
O D:PRO321 4.4 38.0 1.0
CA D:PRO321 4.5 30.7 1.0
N A:SER496 4.5 36.2 1.0
CA D:GLY322 4.6 28.2 1.0
N D:SER323 4.8 30.5 1.0
N D:PRO321 4.8 29.1 1.0
C D:SER323 4.9 33.6 1.0
CA D:SER323 4.9 31.4 1.0
CD A:PRO498 4.9 35.5 1.0
N D:THR326 5.0 31.9 1.0

Potassium binding site 2 out of 8 in 9i0l

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Potassium binding site 2 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
B:K601

b:44.6
occ:1.00
 O A:GLY322 2.7 44.4 1.0
O B:GLU495 2.7 42.2 1.0
O A:GLY320 2.8 42.9 1.0
O B:SER496 2.8 48.5 1.0
C B:SER496 3.4 42.6 1.0
O B:HIS497 3.4 48.3 1.0
O A:CYS325 3.5 47.9 1.0
C B:HIS497 3.8 49.3 1.0
C A:GLY322 3.8 36.6 1.0
C B:GLU495 3.9 39.9 1.0
C A:PRO321 3.9 38.5 1.0
O A:PRO321 4.0 42.1 1.0
C A:GLY320 4.0 39.4 1.0
CA B:SER496 4.0 41.1 1.0
CB A:CYS325 4.1 38.9 1.0
N B:HIS497 4.1 42.2 1.0
C A:CYS325 4.2 43.0 1.0
N A:GLY322 4.2 38.8 1.0
N B:PRO498 4.3 48.7 1.0
CD2 B:HIS499 4.3 41.4 1.0
N A:CYS325 4.4 40.9 1.0
CA A:PRO321 4.4 36.6 1.0
CA A:CYS325 4.4 38.6 1.0
CA B:HIS497 4.4 47.3 1.0
N B:SER496 4.4 42.1 1.0
NE2 B:HIS499 4.5 38.9 1.0
CA B:PRO498 4.5 47.1 1.0
CA A:GLY322 4.6 35.4 1.0
N A:PRO321 4.7 36.5 1.0
N A:SER323 4.8 34.2 1.0
CA A:SER323 4.9 33.6 1.0
C A:SER323 4.9 38.4 1.0

Potassium binding site 3 out of 8 in 9i0l

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Potassium binding site 3 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 3 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K601

b:45.1
occ:1.00
 O B:GLY322 2.7 42.0 1.0
O C:SER496 2.8 46.8 1.0
O C:GLU495 2.9 44.4 1.0
O B:GLY320 2.9 41.3 0.9
O B:CYS325 3.1 39.1 1.0
O C:HIS497 3.1 45.1 1.0
C C:SER496 3.4 42.8 1.0
C C:HIS497 3.6 43.5 1.0
C B:GLY322 3.9 37.3 1.0
C B:CYS325 4.0 39.1 1.0
C C:GLU495 4.0 41.6 1.0
C B:PRO321 4.0 43.0 1.0
N C:PRO498 4.0 45.1 1.0
CB B:CYS325 4.0 37.2 1.0
N C:HIS497 4.1 35.7 1.0
C B:GLY320 4.1 37.1 0.9
CA C:SER496 4.1 41.8 1.0
O B:PRO321 4.2 48.2 1.0
N B:GLY322 4.2 38.5 1.0
CA C:HIS497 4.3 36.1 1.0
N B:CYS325 4.3 40.1 1.0
CA C:PRO498 4.3 42.5 1.0
CA B:CYS325 4.3 37.5 1.0
CD2 C:HIS499 4.3 40.0 1.0
CA B:PRO321 4.4 37.6 1.0
NE2 C:HIS499 4.5 39.6 1.0
N C:SER496 4.5 43.2 1.0
CA B:GLY322 4.6 33.9 1.0
N B:PRO321 4.7 35.8 1.0
N B:SER323 4.8 35.9 1.0
CD C:PRO498 4.9 41.1 1.0
CA B:SER323 4.9 36.7 1.0
C B:SER323 5.0 39.1 1.0

Potassium binding site 4 out of 8 in 9i0l

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Potassium binding site 4 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 4 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
C:K604

b:35.9
occ:1.00
 O C:GLY322 2.7 34.6 1.0
O D:GLU495 2.8 35.2 1.0
O C:GLY320 3.0 34.2 1.0
O D:SER496 3.1 36.7 1.0
O C:CYS325 3.3 32.5 1.0
O D:HIS497 3.4 41.4 1.0
C D:SER496 3.6 32.2 1.0
CB C:CYS325 3.8 31.6 1.0
C C:GLY322 3.8 27.2 1.0
C C:PRO321 3.9 31.7 1.0
C D:HIS497 3.9 35.2 1.0
C C:CYS325 4.0 33.2 1.0
C D:GLU495 4.0 33.3 1.0
C C:GLY320 4.0 30.7 1.0
N C:GLY322 4.0 27.7 1.0
O C:PRO321 4.1 34.6 1.0
N C:CYS325 4.2 28.8 1.0
CA C:CYS325 4.2 30.6 1.0
CA D:SER496 4.2 29.7 1.0
CA C:PRO321 4.2 28.7 1.0
CD2 D:HIS499 4.3 34.1 1.0
N D:HIS497 4.3 28.5 1.0
N D:PRO498 4.4 36.5 1.0
NE2 D:HIS499 4.5 34.5 1.0
CA C:GLY322 4.5 24.7 1.0
CA D:HIS497 4.5 27.7 1.0
N D:SER496 4.6 31.3 1.0
N C:PRO321 4.6 27.7 1.0
CA D:PRO498 4.7 29.3 1.0
N C:SER323 4.8 28.0 1.0
CA C:SER323 5.0 27.0 1.0

Potassium binding site 5 out of 8 in 9i0l

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Potassium binding site 5 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 5 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K603

b:36.7
occ:1.00
 O E:GLY322 2.6 40.0 1.0
O E:GLY320 2.8 35.5 1.0
O H:SER496 2.9 46.4 1.0
O E:CYS325 3.0 41.0 1.0
O H:GLU495 3.1 42.0 1.0
O H:HIS497 3.5 48.7 1.0
C H:SER496 3.6 40.6 1.0
C E:GLY322 3.8 32.2 1.0
CB E:CYS325 3.8 31.2 1.0
C E:CYS325 3.8 37.5 1.0
C H:HIS497 3.8 44.6 1.0
C E:PRO321 4.0 33.2 1.0
C E:GLY320 4.0 31.1 1.0
N E:CYS325 4.1 36.0 1.0
CA E:CYS325 4.1 32.9 1.0
N E:GLY322 4.1 32.6 1.0
O E:PRO321 4.1 36.0 1.0
C H:GLU495 4.2 39.6 1.0
CA H:SER496 4.2 39.4 1.0
N H:PRO498 4.2 45.3 1.0
N H:HIS497 4.3 37.3 1.0
CA E:PRO321 4.4 32.7 1.0
CD2 H:HIS499 4.4 39.4 1.0
NE2 H:HIS499 4.5 39.8 1.0
CA H:PRO498 4.5 41.6 1.0
CA H:HIS497 4.5 39.0 1.0
CA E:GLY322 4.5 29.6 1.0
N E:PRO321 4.7 31.2 1.0
N H:SER496 4.7 41.0 1.0
N E:SER323 4.7 33.7 1.0
CA E:SER323 4.8 33.1 1.0
C E:SER323 4.9 35.5 1.0
N E:THR326 4.9 34.1 1.0

Potassium binding site 6 out of 8 in 9i0l

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Potassium binding site 6 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 6 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
E:K604

b:42.0
occ:1.00
 O F:GLY322 2.6 39.2 1.0
O E:SER496 2.8 47.8 1.0
O E:GLU495 3.0 41.9 1.0
O F:CYS325 3.1 41.1 1.0
O E:HIS497 3.2 45.1 1.0
O F:GLY320 3.3 43.8 1.0
C E:SER496 3.5 40.2 1.0
C E:HIS497 3.6 44.8 1.0
C F:GLY322 3.8 36.2 1.0
C F:CYS325 3.9 38.9 1.0
CB F:CYS325 3.9 35.4 1.0
N E:PRO498 4.0 46.9 1.0
C F:PRO321 4.1 37.9 1.0
C E:GLU495 4.1 40.8 1.0
N F:CYS325 4.1 35.6 1.0
N F:GLY322 4.1 35.4 1.0
CD2 E:HIS499 4.2 39.9 1.0
CA E:SER496 4.2 39.7 1.0
CA F:CYS325 4.2 35.5 1.0
N E:HIS497 4.2 38.2 1.0
CA E:PRO498 4.2 42.9 1.0
O F:PRO321 4.3 42.9 1.0
C F:GLY320 4.4 39.6 1.0
CA E:HIS497 4.4 37.9 1.0
NE2 E:HIS499 4.5 39.8 1.0
CA F:PRO321 4.5 35.6 1.0
CA F:GLY322 4.5 31.8 1.0
N E:SER496 4.6 42.6 1.0
N F:SER323 4.8 39.9 1.0
CD E:PRO498 4.8 41.7 1.0
C F:SER323 4.9 38.9 1.0
CA F:SER323 4.9 36.6 1.0
N F:PRO321 4.9 33.7 1.0
N F:THR326 5.0 34.9 1.0

Potassium binding site 7 out of 8 in 9i0l

Go back to Potassium Binding Sites List in 9i0l
Potassium binding site 7 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 7 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
F:K603

b:37.9
occ:1.00
 O G:GLY322 2.7 36.2 1.0
O F:SER496 2.7 42.9 1.0
O G:GLY320 2.9 32.4 1.0
O F:GLU495 3.0 35.9 1.0
O G:CYS325 3.1 39.6 1.0
O F:HIS497 3.4 46.0 1.0
C F:SER496 3.5 35.8 1.0
C F:HIS497 3.7 42.4 1.0
C G:GLY322 3.8 31.1 1.0
C G:CYS325 3.9 31.9 1.0
CB G:CYS325 3.9 28.4 1.0
C G:GLY320 4.1 28.7 1.0
C G:PRO321 4.1 31.2 1.0
N G:CYS325 4.1 32.3 1.0
N F:PRO498 4.1 41.6 1.0
C F:GLU495 4.1 33.1 1.0
N G:GLY322 4.2 28.3 1.0
CA G:CYS325 4.2 29.6 1.0
CA F:SER496 4.2 31.2 1.0
N F:HIS497 4.3 34.2 1.0
CD2 F:HIS499 4.4 35.2 1.0
O G:PRO321 4.4 34.5 1.0
CA F:PRO498 4.4 38.7 1.0
NE2 F:HIS499 4.4 31.5 1.0
CA F:HIS497 4.4 36.8 1.0
CA G:PRO321 4.5 29.1 1.0
CA G:GLY322 4.6 25.5 1.0
N F:SER496 4.7 34.4 1.0
N G:PRO321 4.8 29.1 1.0
CD F:PRO498 4.9 38.5 1.0
N G:SER323 4.9 29.3 1.0
N G:THR326 4.9 27.0 1.0
C G:SER323 4.9 29.8 1.0
CA G:SER323 5.0 28.7 1.0

Potassium binding site 8 out of 8 in 9i0l

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Potassium binding site 8 out of 8 in the Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 8 of Mycobacterium Smegmatis Inosine Monophosphate Dehydrogenase (Impdh) E- Xmp* Intermediate, Extended within 5.0Å range:
probe atom residue distance (Å) B Occ
G:K603

b:32.6
occ:1.00
 O H:GLY322 2.7 26.0 1.0
O H:GLY320 2.8 31.2 1.0
O G:GLU495 2.9 31.6 1.0
O G:SER496 3.1 35.7 1.0
O G:HIS497 3.1 35.5 1.0
O H:CYS325 3.3 30.2 0.9
C G:SER496 3.5 32.2 1.0
C G:HIS497 3.6 30.1 1.0
CB H:CYS325 3.8 26.0 0.9
C H:GLY322 3.9 23.3 1.0
C H:CYS325 3.9 26.2 0.9
C H:GLY320 4.0 26.6 1.0
C G:GLU495 4.0 27.4 1.0
C H:PRO321 4.0 27.7 1.0
N G:HIS497 4.1 31.1 1.0
CA G:SER496 4.1 27.6 1.0
N H:GLY322 4.2 23.0 1.0
N G:PRO498 4.2 30.3 1.0
CA H:CYS325 4.2 24.2 0.9
N H:CYS325 4.2 21.6 0.9
O H:PRO321 4.3 29.9 1.0
CD2 G:HIS499 4.3 26.5 1.0
CA G:HIS497 4.3 28.3 1.0
CA H:PRO321 4.4 25.0 1.0
NE2 G:HIS499 4.5 27.8 1.0
CA G:PRO498 4.5 28.5 1.0
N G:SER496 4.6 28.9 1.0
CA H:GLY322 4.6 22.5 1.0
N H:PRO321 4.7 23.3 1.0
N H:SER323 4.9 23.2 1.0
CD G:PRO498 5.0 28.2 1.0
N H:THR326 5.0 22.2 1.0

Reference:

O.Bulvas, Z.Knejzlik, A.Filimonenko, T.Kouba, I.Pichova. Conformational Landscape of the Mycobacterial Inosine 5'-Monophosphate Dehydrogenase Octamerization Interface. J.Struct.Biol. V. 217 08198 2025.
ISSN: ESSN 1095-8657
PubMed: 40107326
DOI: 10.1016/J.JSB.2025.108198
Page generated: Sat Aug 9 19:11:47 2025

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