4L4R: L-lactate dehydrogenase A chain

Structural Characterisation of the Apo-form of Human Lactate Dehydrogenase M Isozyme. Determined by X-ray diffraction at 2.1 Å resolution. Released 30 Apr 2014.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Homo sapiens
Chains
2
Atoms
5,458
Mol. weight
75.35 kDa
Released
30 Apr 2014

Explore 4L4R in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4L4R contains 34 α-helices and 30 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, 15 β-strands

ElementResiduesLengthSheet
α-helix3-75
β-strand21-2551
α-helix29-4012
β-strand46-5051
α-helix54-6512
α-helix68-703
β-strand75-7951
α-helix82-854
β-strand90-9341
α-helix97-1004
α-helix105-12622
α-helix1301
β-strand131-13441
α-helix139-15012
α-helix154-1563
β-strand157-15931
α-helix163-17715
α-helix181-1833
β-strand184-18522
β-strand188-18923
β-strand19011
β-strand197-19823
α-helix200-2023
β-strand204-20522
β-strand208-20922
α-helix210-2134
α-helix227-24418
α-helix249-26315
β-strand268-27581
β-strand287-29591
β-strand298-30251
α-helix309-32618
Chain H: 17 helices, 15 β-strands
ElementResiduesLengthSheet
α-helix3-75
β-strand21-2554
α-helix29-4012
β-strand46-5054
α-helix54-6613
α-helix68-703
β-strand75-7844
α-helix82-854
β-strand90-9344
α-helix97-1004
α-helix105-12622
α-helix1301
β-strand131-13444
α-helix139-15012
α-helix154-1563
β-strand157-15934
α-helix163-17715
α-helix181-1833
β-strand184-18525
β-strand188-18926
β-strand19014
β-strand197-19826
α-helix200-2023
β-strand204-20525
β-strand208-20925
α-helix210-2134
α-helix227-24418
α-helix249-26315
β-strand268-27584
β-strand287-29594
β-strand298-30254
α-helix309-32618

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
L-lactate dehydrogenase A chainA, Hprotein339Homo sapiensP00338 (AlphaFold model)
Sequence of entity 1 (A, H), FASTA
>4L4R_1 L-lactate dehydrogenase A chain (chains A, H)
ATLKDQLIYNLLKEEQTPQNKITVVGVGAVGMACAISILMKDLADELALVDVIEDKLKGE
MMDLQHGSLFLRTPKIVSGKDYNVTANSKLVIITAGARQQEGESRLNLVQRNVNIFKFII
PNVVKYSPNCKLLIVSNPVDILTYVAWKISGFPKNRVIGSGCNLDSARFRYLMGERLGVH
PLSCHGWVLGEHGDSSVPVWSGMNVAGVSLKTLHPDLGTDKDKEQWKEVHKQVVESAYEV
IKLKGYTSWAIGLSVADLAESIMKNLRRVHPVSTMIKGLYGIKDDVFLSVPCILGQNGIS
DLVKVTLTSEEEARLKKSADTLWGIQKELQFLEHHHHHH

Primary citation

Structural characterization of the apo form and NADH binary complex of human lactate dehydrogenase. Dempster, S., Harper, S., Moses, J.E. et al. Acta Crystallogr D Biol Crystallogr (2014) 70:1484-1490. DOI 10.1107/S1399004714005422 · PubMed

Other PDB entries of the same protein (UniProt P00338 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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