2JK2: Triosephosphate isomerase

Structural basis of human triosephosphate isomerase deficiency. Crystal structure of the wild type enzyme. Determined by X-ray diffraction at 1.7 Å resolution. Released 1 Jul 2008.

Method
X-ray diffraction
Resolution
1.7 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
3,984
Mol. weight
53.43 kDa
Released
1 Jul 2008

Explore 2JK2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2JK2 contains 30 α-helices and 20 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 15 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand6-1161
β-strand1412
α-helix18-3013
β-strand37-4261
α-helix45-473
α-helix48-547
β-strand60-6341
β-strand7213
α-helix80-856
β-strand90-9341
α-helix96-1005
α-helix106-11813
β-strand122-12761
α-helix131-1355
α-helix139-15214
α-helix157-1593
β-strand160-16451
α-helix167-1693
α-helix178-19316
α-helix198-2036
β-strand206-20831
α-helix217-2215
β-strand228-23141
α-helix233-2364
α-helix239-2446
Chain B: 15 helices, 10 β-strands
ElementResiduesLengthSheet
α-helix4-52
β-strand6-1164
β-strand1413
α-helix18-3013
β-strand37-4264
α-helix45-473
α-helix48-547
β-strand60-6344
β-strand7212
α-helix80-856
β-strand90-9344
α-helix96-1005
α-helix106-11813
β-strand122-12764
α-helix131-1355
α-helix139-15214
α-helix157-1593
β-strand160-16454
α-helix178-19518
α-helix198-2036
β-strand206-20834
α-helix217-2215
β-strand228-23144
α-helix233-2364
α-helix239-2446

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Triosephosphate isomeraseA, Bprotein250HOMO SAPIENSP60174 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>2JK2_1 TRIOSEPHOSPHATE ISOMERASE (chains A, B)
GSAPSRKFFVGGNWKMNGRKQSLGELIGTLNAAKVPADTEVVCAPPTAYIDFARQKLDPK
IAVAAQNCYKVTNGAFTGEISPGMIKDCGATWVVLGHSERRHVFGESDELIGQKVAHALA
EGLGVIACIGEKLDEREAGITEKVVFEQTKVIADNVKDWSKVVLAYEPVWAIGTGKTATP
QQAQEVHEKLRGWLKSNVSDAVAQSTRIIYGGSVTGATCKELASQPDVDGFLVGGASLKP
EFVDIINAKQ

Primary citation

Structural Basis of Human Triosephosphate Isomerase Deficiency: Mutation E104D is Related to Alterations of a Conserved Water Network at the Dimer Interface. Rodriguez-Almazan, C., Arreola, R., Rodriguez-Larrea, D. et al. J Biol Chem (2008) 283:23254. DOI 10.1074/JBC.M802145200 · PubMed

Other PDB entries of the same protein (UniProt P60174 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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