4UNL: Triosephosphate isomerase

Crystal structure of a single mutant (N71D) of triosephosphate isomerase from human. Determined by X-ray diffraction at 1.5 Å resolution. Released 4 Feb 2015.

Method
X-ray diffraction
Resolution
1.5 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
4,086
Mol. weight
53.14 kDa
Released
4 Feb 2015

Explore 4UNL in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4UNL contains 31 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: 17 helices, 10 β-strands

ElementResiduesLengthSheet
α-helix4-52
β-strand6-1161
β-strand1412
α-helix18-3013
α-helix33-342
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-helix178-19518
α-helix198-2036
β-strand206-20831
α-helix217-2226
β-strand228-23141
α-helix233-2364
α-helix239-2446
Chain B: 14 helices, 10 β-strands
ElementResiduesLengthSheet
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-helix139-15113
β-strand160-16454
α-helix167-1693
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, Bprotein248HOMO SAPIENSP60174 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>4UNL_1 TRIOSEPHOSPHATE ISOMERASE (chains A, B)
APSRKFFVGGNWKMNGRKQSLGELIGTLNAAKVPADTEVVCAPPTAYIDFARQKLDPKIA
VAAQNCYKVTDGAFTGEISPGMIKDCGATWVVLGHSERRHVFGESDELIGQKVAHALAEG
LGVIACIGEKLDEREAGITEKVVFEQTKVIADNVKDWSKVVLAYEPVWAIGTGKTATPQQ
AQEVHEKLRGWLKSNVSDAVAQSTRIIYGGSVTGATCKELASQPDVDGFLVGGASLKPEF
VDIINAKQ

Primary citation

Crystal Structure of a Single Mutant (N71D) of Triosephosphate Isomerase from Human. Delamora-Delamora, I., Torres-Larios, A., Enriquez-Flores, S. et al. To be published.

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

Browse structure collections

About this viewer

MolViewer shows 4UNL directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.