NAD synthase: Difference between revisions

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<StructureSection load='' size='350' side='right' caption='NAD+ synthase complex with Mg+2 (green), ATP and deamino-NAD (PDB entry [[1xng]])' scene='54/541072/Cv/1'>
[[Image:1ee1.png|left|200px|thumb|Crystal structure of NAD+ synthase complex with Mg+2, ATP and deamino-NAD  [[1ee1]]]]
{{STRUCTURE_1ee1|  PDB=1ee1  | SIZE=350| SCENE= |right|CAPTION= NAD+ synthase complex with Mg+2, ATP and deamino-NAD [1ee1]] }}
 
 


== Function ==
'''NAD+ synthase''' or '''NH3-dependent NAD synthetase''' (NADS) catalyzes the conversion of ATP, deamino-NAD+ and NH<sub>3</sub> to AMP, NAD+ and diphosphate (PP).  NADS is part of the NAD synthesis pathway<ref>PMID:12898714</ref> .  See [[NAD]].


== Structural highlights ==
The <scene name='54/541072/Cv/8'>ATP binding site</scene> contains <scene name='54/541072/Cv/9'>Mg+2 ion</scene>. The <scene name='54/541072/Cv/10'>NAD binding site is located in the interface of the 2 subunits</scene><ref>PMID:15645437</ref>. Water molecules are shown as red spheres.
</StructureSection>
== 3D Structures of NAD+ synthase ==


Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
{{#tree:id=OrganizedByTopic|openlevels=0|


*'''NAD synthase'''


**[[3p52]] – NADS – ''Campylobacter jejuni'' <br />
**[[3q4g]] – NADS (mutant) – ''Vibrio cholerae'' <br />
**[[1wxf]] – EcNADS  – ''Escherichia coli'' <br />
**[[1xnh]] – HpNADS  - ''Helicobacter pylori'' <br />
**[[2pzb]] – BaNADS  - ''Bacillus anthracis'' <br />
**[[3dpi]] – NADS – ''Burkholderia pseudomallei''<br />
**[[6kv3]] – NADS – ''Staphylococcus aureus''<br />
**[[5wp0]] – NADS – ''Allivibrio fischeri''<br />
**[[5huh]], [[5huj]] – NADS – ''Streptococcus pyogenes''<br />
**[[3n05]] – NADS – ''Streptomyces avermitillis''<br />
**[[4xfd]] – PaNADS – ''Pseudomonas aeruginosa''<br />
**[[4q16]] – NADS – ''Deinococcus radiodurans''<br />
**[[2e18]] – NADS – ''Pyrococcus horikoshii''<br />


*NADS binary complex


**[[1ifx]] – BsNADS + deamino-NAD  – ''Bacillus subtilis'' <br />
**[[1wxh]] – EcNADS + NAD  <br />
**[[3hmq]] – BsNADS + NAD – ''Salmonella typhimurium'' <br />
**[[6c8q]] – NADS + NAD – ''Enterococcus faecalis''<br />
**[[5f23]] – PaNADS + NAD <br />


*NADS ternary complex


**[[1ih8]] – BsNADS + Mg + ATP derivative  <br />
**[[1wxe]] – EcNADS + Mg + AMP  <br />
**[[1wxg]] – EcNADS + Mg + deamino-NAD  <br />
**[[2pz8]] – BaNADS + Mg + ATP derivative  <br />
**[[3fiu]] – NADS + Mg + AMP – ''Francisella tularensis''<br />


*NADS quaternary complex


**[[1ee1]] – BsNADS + Mg + ATP + deamino-NAD  <br />
**[[1fyd]] – BsNADS + Mg + AMP + PP <br />
**[[1kqp]] – BsNADS + Mg + PP + NAD  derivative<br />
**[[1wxi]] – EcNADS + Mg + AMP + PP <br />
**[[1xng]] – HpNADS + Mg + ATP + deamino-NAD  <br />
**[[2pza]] – BaNADS + Mg + AMP + PP <br />


*NADS quinary complex


**[[1nsy]] – BsNADS + Mg + ATP + ADP + PP <br />
**[[2nsy]] – BsNADS + Mg + AMP + NAD + PP <br />


*NADS glutamine-dependent


**[[6ofb]] – hNADS + AMP + NAD derivative<br />
**[[3sdb]] – MtNADS (mutant) – ''Mycobacterium tuberculosis'' <br />
**[[3seq]], [[3sez]] – MtNADS (mutant) + ATP derivative + pyridinium derivative <br />
**[[3szg]] – MtNADS (mutant) + AMP + pyridinium derivative <br />
**[[3syt]] – MtNADS + AMP + NAD + glutamate <br />
**[[3dla]] – MtNADS + norleucine + deamido-NAD <br />
**[[6ofc]] – MtNADS (mutant) + AMP + sulfonamide derivative + glutamate <br />
**[[4f4h]] – NADS – ''Burkholderia thailandensis''<br />
**[[3ilv]] – NADS – ''Cytophaga hutchinsonii''<br />


 
}}
 
== References ==
 
<references/>
 
[[Category:Topic Page]]
 
'''NAD+ synthase''' (NADS) catalyzes the conversion of ATP, deamino-NAD+ and NH3 to AMP, NAD+ and diphophate (PP).  NADS is part of the NAD synthesis pathway.
 
== 3D Structures of NAD+ synthase ==
 
Updated on {{REVISIONDAY2}}-{{MONTHNAME|{{REVISIONMONTH}}}}-{{REVISIONYEAR}}
 
[[3p52]] – NADS – ''Campylobacter jejuni'' <br />
[[3q4g]] – NADS (mutant) – ''Vibrio cholerae'' <br />
[[1wxf]] – EcNADS  – ''Escherichia coli'' <br />
[[1xnh]] – HpNADS  - ''Helicobacter pylori'' <br />
[[2pzb]] – BaNADS  - ''Bacillus anthracis'' <br />
[[3dpi]] – NADS – ''Burkholderia pseudomallei''<br />
 
===NADS binary complex===
 
[[1ifx]] – BsNADS + deamino-NAD  – ''Bacillus subtilis'' <br />
[[1wxh]] – EcNADS + NAD  <br />
[[3hmq]] – BsNADS + NAD – ''Salmonella typhimurium'' <br />
 
===NADS ternary complex===
 
[[1ih8]] – BsNADS + Mg + ATP derivative  <br />
[[1wxe]] – EcNADS + Mg + AMP  <br />
[[1wxg]] – EcNADS + Mg + deamino-NAD  <br />
[[2pz8]] – BaNADS + Mg + ATP derivative  <br />
 
===NADS quaternary complex===
 
[[1ee1]] – BsNADS + Mg + ATP + deamino-NAD  <br />
[[1fyd]] – BsNADS + Mg + AMP + PP <br />
[[1kqp]] – BsNADS + Mg + PP + NAD  derivative<br />
[[1wxi]] – EcNADS + Mg + AMP + PP <br />
[[1xng]] – HpNADS + Mg + ATP + deamino-NAD  <br />
[[2pza]] – BaNADS + Mg + AMP + PP <br />
 
[[1nsy]] – BsNADS + Mg + ATP + ADP + PP <br />
[[2nsy]] – BsNADS + Mg + AMP + NAD + PP <br />

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Michal Harel, Alexander Berchansky, Joel L. Sussman