1H1B: Human neutrophil elastase

Crystal structure of human neutrophil elastase complexed with an inhibitor (GW475151). Determined by X-ray diffraction at 2.0 Å resolution. Released 29 Aug 2002.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
HOMO SAPIENS
Chains
2
Atoms
3,670
Mol. weight
48.99 kDa
Ligands
151
Released
29 Aug 2002

Explore 1H1B in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1H1B contains 12 α-helices and 40 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: 5 helices, 20 β-strands

ElementResiduesLengthSheet
β-strand1711
β-strand20-2122
α-helix22-232
β-strand30-3563
β-strand39-48103
β-strand51-5443
α-helix56-605
α-helix62B-643
β-strand65-6853
β-strand7214
β-strand81-8333
β-strand85-9493
β-strand104-10853
β-strand135-14062
β-strand14315
β-strand15115
β-strand15414
β-strand156-16372
β-strand181-18442
β-strand18911
β-strand198-20142
β-strand208-21582
β-strand226-23052
α-helix231-2344
α-helix235-2428
Chain B: 7 helices, 20 β-strands
ElementResiduesLengthSheet
β-strand1716
β-strand20-2127
α-helix22-232
β-strand30-3563
β-strand39-48103
β-strand51-5443
α-helix56-594
α-helix62B-643
β-strand65A-6843
β-strand7218
β-strand81-94133
β-strand104-10853
β-strand12217
α-helix124-1252
α-helix129-1313
β-strand135-14067
β-strand14719
β-strand14919
β-strand15418
β-strand156-16487
β-strand181-18447
β-strand18916
β-strand198-20147
β-strand208-21587
β-strand226-23057
α-helix231-2333
α-helix235-2428

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Leukocyte elastaseA, Bprotein218HOMO SAPIENSP08246 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>1H1B_1 LEUKOCYTE ELASTASE (chains A, B)
IVGGRRARPHAWPFMVSLQLRGGHFCGATLIAPNFVMSAAHCVANVNVRAVRVVLGAHNL
SRREPTRQVFAVQRIFENGYDPVNLLNDIVILQLNGSATINANVQVAQLPAQGRRLGNGV
QCLAMGWGLLGRNRGIASVLQELNVTVVTSLCRRSNVCTLVRGRQAGVCFGDSGSPLVCN
GLIHGIASFVRGGCASGLYPDAFAPVAQFVNWIDSIIQ

Ligands and cofactors

IDNameFormulaCopies
151(2S)-3-methyl-2-((2R,3S)-3-[(methylsulfonyl)amino]-1-{[2-(pyrrolidin-1-ylmethyl…C19 H30 N4 O6 S2

Primary citation

Discovery of Further Pyrrolidine Trans-Lactams as Inhibitors of Human Neutrophil Elastase (Hne) with Potential as Development Candidates and the Crystal Structure of Hne Complexed with an Inhibitor (Gw475151). Macdonald, S.J.F., Dowle, M.D., Harrison, L.A. et al. J Med Chem (2002) 45:3878. DOI 10.1021/JM020881F · PubMed

Other PDB entries of the same protein (UniProt P08246 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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