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1X55

Crystal structure of asparaginyl-tRNA synthetase from Pyrococcus horikoshii complexed with asparaginyl-adenylate analogue

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Asparaginyl-tRNA synthetasepolymer43450228.51UniProt (O57980)
Pfam (PF01336)
Pfam (PF00152)
Pyrococcus horikoshiiAsparagine-tRNA ligase, AsnRS
2B
(A)
PHOSPHATE IONnon-polymer95.01Chemie (PO4)
3C, D
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
4E
(A)
5'-O-[N-(L-ASPARAGINYL)SULFAMOYL]ADENOSINEnon-polymer461.41Chemie (NSS)
5F
(A)
waterwater18.0368Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight50228.5
Non-Polymers*Number of molecules4
Total formula weight605.0
All*Total formula weight50833.6
*Water molecules are not included.

246031

PDB entries from 2025-12-10

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