4MPX: Tryptase alpha/beta-1

Human beta-tryptase co-crystal structure with [(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(aminomethyl)phenyl]piperidin-1-yl}methanone). Determined by X-ray diffraction at 2.0 Å resolution. Released 18 Mar 2015.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Homo sapiens
Chains
2
Atoms
4,261
Mol. weight
56.86 kDa
Ligands
2AV
Released
18 Mar 2015

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

Secondary structure: helices and β-sheets

4MPX contains 20 α-helices and 47 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: 10 helices, 23 β-strands

ElementResiduesLengthSheet
β-strand3211
β-strand35-3622
α-helix37-382
β-strand45-5063
β-strand56-65103
β-strand68-7143
α-helix73-753
β-strand7914
α-helix83-853
β-strand86-8943
β-strand9415
β-strand102-10983
β-strand123-12753
α-helix130-1334
α-helix139-1402
β-strand14112
α-helix142-1443
β-strand155-15952
β-strand16416
β-strand16716
α-helix168-1703
β-strand17415
β-strand176-18052
β-strand182-18322
α-helix185-1939
β-strand19617
β-strand209-21242
β-strand21811
β-strand227-23262
β-strand235-244102
β-strand255-25952
α-helix260-2634
α-helix264-2685
Chain B: 10 helices, 24 β-strands
ElementResiduesLengthSheet
β-strand3218
β-strand35-3629
α-helix37-382
β-strand45-50610
β-strand56-651010
β-strand68-71410
α-helix73-753
β-strand7917
α-helix83-853
β-strand86-89410
β-strand94111
β-strand102-109810
β-strand123-127510
α-helix130-1334
α-helix139-1402
β-strand14119
α-helix142-1443
β-strand154-15969
β-strand164112
β-strand167112
α-helix168-1703
β-strand174111
β-strand176-18389
α-helix185-1939
β-strand19614
β-strand209-21249
β-strand21818
β-strand227-23269
β-strand235-244109
β-strand250113
β-strand253113
β-strand255-25959
α-helix260-2634
α-helix264-2685

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Tryptase alpha/beta-1A, Bprotein245Homo sapiensQ15661 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>4MPX_1 Tryptase alpha/beta-1 (chains A, B)
IVGGQEAPRSKWPWQVSLRVHGPYWMHFCGGSLIHPQWVLTAAHCVGPDVKDLAALRVQL
REQHLYYQDQLLPVSRIIVHPQFYTAQIGADIALLELEEPVKVSSHVHTVTLPPASETFP
PGMPCWVTGWGDVDNDERLPPPFPLKQVKVPIMENHICDAKYHLGAYTGDDVRIVRDDML
CAGNTRRDSCQGDSGGPLVCKVNGTWLQAGVVSWGEGCAQPNRPGIYTRVTYYLDWIHHY
VPKKP

Ligands and cofactors

IDNameFormulaCopies
2AV[(1,1,3,3-tetramethyldisiloxane-1,3-diyl)di-1-benzothiene-4,2-diyl]bis({4-[3-(a…C46 H54 N4 O3 S2 Si21

Water and common crystallization additives (SO4, CL, PGE, MES) are not listed.

Primary citation

Target-directed self-assembly of homodimeric drugs. Giardina, S.F., Pingle, M., Foreman, K.W. et al. To be published.

Other PDB entries of the same protein (UniProt Q15661 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 4MPX 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.