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1XNG

Crystal Structure of NH3-dependent NAD+ synthetase from Helicobacter pylori

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
NH(3)-dependent NAD(+) synthetasepolymer26830376.02UniProt (O25096)
Pfam (PF02540)
Helicobacter pylori
2C, F
(A, B)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3D, G
(A, B)
NICOTINIC ACID ADENINE DINUCLEOTIDEnon-polymer665.42Chemie (DND)
4E, H
(A, B)
ADENOSINE-5'-TRIPHOSPHATEnon-polymer507.22Chemie (ATP)
5I, J
(A, B)
waterwater18.0249Chemie (HOH)
Sequence modifications
A, B: 1 - 260 (UniProt: O25096)
PDBExternal DatabaseDetails
Leu 261-cloning artifact
Glu 262-cloning artifact
His 263-cloning artifact
His 264-cloning artifact
His 265-cloning artifact
His 266-cloning artifact
His 267-cloning artifact
His 268-cloning artifact
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight60752.1
Non-Polymers*Number of molecules6
Total formula weight2393.8
All*Total formula weight63145.9
*Water molecules are not included.

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PDB entries from 2025-07-16

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