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4ZYA

The N-terminal extension domain of human asparaginyl-tRNA synthetase

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Asparagine--tRNA ligase, cytoplasmicpolymer779046.72UniProt (O43776)
Pfam (PF20917)
Homo sapiens (Human)Asparaginyl-tRNA synthetase,AsnRS
2C, D
(A, B)
ZINC IONnon-polymer65.42Chemie (ZN)
3E
(B)
GLYCEROLnon-polymer92.11Chemie (GOL)
4F
(B)
CHLORIDE IONnon-polymer35.51Chemie (CL)
5G, H
(A, B)
waterwater18.0135Chemie (HOH)
Sequence modifications
A, B: 4 - 77 (UniProt: O43776)
PDBExternal DatabaseDetails
Gly 1-expression tag
His 2-expression tag
Mse 3-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight18093.4
Non-Polymers*Number of molecules4
Total formula weight258.4
All*Total formula weight18351.7
*Water molecules are not included.

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PDB entries from 2025-07-16

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