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5K4U

Three-dimensional structure of L-threonine 3-dehydrogenase from Trypanosoma brucei showing different active site loop conformations between dimer subunits, refined to 1.9 angstroms

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, C)
L-threonine 3-dehydrogenasepolymer32035709.22UniProt (Q7YW97)
Pfam (PF01370)
Trypanosoma brucei
2C, J
(A, C)
NICOTINAMIDE-ADENINE-DINUCLEOTIDEnon-polymer663.42Chemie (NAD)
3D, E, K, L, M
(A, C)
GLYCEROLnon-polymer92.15Chemie (GOL)
4F, G, H, I, N
(A, C)
ACETATE IONnon-polymer59.05Chemie (ACT)
5O, P
(A, C)
waterwater18.0228Chemie (HOH)
Sequence modifications
A, C: 6003 - 6321 (UniProt: Q7YW97)
PDBExternal DatabaseDetails
Met 6002-initiating methionine
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight71418.3
Non-Polymers*Number of molecules12
Total formula weight2082.5
All*Total formula weight73500.9
*Water molecules are not included.

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PDB entries from 2025-06-18

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