1BKC: Catalytic domain of tnf-alpha converting enzyme

Catalytic domain of tnf-alpha converting enzyme (TACE). Determined by X-ray diffraction at 2.0 Å resolution. Released 22 Jun 1999.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Homo sapiens
Chains
4
Atoms
9,822
Mol. weight
117.77 kDa
Ligands
INN, ZN
Released
22 Jun 1999

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

Secondary structure: helices and β-sheets

1BKC contains 49 α-helices and 44 β-strands across 4 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: 13 helices, 10 β-strands

ElementResiduesLengthSheet
β-strand224-23181
α-helix233-2386
α-helix244-26320
β-strand276-28491
α-helix288-2903
α-helix314-32411
α-helix326-3294
β-strand334-33961
α-helix344-3463
β-strand349-35131
α-helix352-3543
β-strand369-37132
β-strand376-37832
β-strand382-38651
β-strand388-38923
β-strand392-39323
α-helix394-3952
α-helix396-41015
α-helix415-4173
α-helix427-4293
α-helix445-4484
α-helix452-46918
β-strand47111
Chain C: 11 helices, 10 β-strands
ElementResiduesLengthSheet
β-strand224-23184
α-helix233-2386
α-helix244-26320
β-strand276-28494
α-helix2881
β-strand28915
α-helix2901
β-strand30015
α-helix314-32411
α-helix326-3294
β-strand334-33964
α-helix344-3463
β-strand349-35134
β-strand382-38654
β-strand388-38926
β-strand392-39326
α-helix394-3952
α-helix396-41015
α-helix439-4402
α-helix454-46916
β-strand47114
Chain E: 12 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand224-23187
α-helix233-2386
α-helix244-26320
β-strand276-28497
α-helix2881
β-strand28918
α-helix2901
β-strand30018
α-helix314-32916
β-strand334-33967
α-helix344-3463
β-strand349-35137
β-strand369-37029
β-strand377-37829
β-strand382-38657
β-strand388-389210
β-strand392-393210
α-helix394-3952
α-helix396-41015
α-helix415-4173
α-helix427-4293
α-helix439-4402
α-helix452-46514
β-strand47117
Chain I: 13 helices, 12 β-strands
ElementResiduesLengthSheet
β-strand224-231811
α-helix233-2386
α-helix244-26320
β-strand276-284911
α-helix2881
β-strand289112
α-helix2901
β-strand300112
α-helix314-32916
β-strand334-339611
α-helix344-3463
β-strand349-351311
α-helix352-3543
β-strand369-371313
β-strand376-378313
β-strand382-386511
β-strand388-389214
β-strand392-393214
α-helix394-3952
α-helix396-41015
α-helix415-4184
α-helix439-4402
α-helix445-4484
α-helix452-46918
β-strand471111

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Tumor necrosis factor-alpha-converting enzymeA, Cprotein256Homo sapiensP78536 (AlphaFold model)
Tumor necrosis factor-alpha-converting enzymeEprotein256Homo sapiensP78536 (AlphaFold model)
Tumor necrosis factor-alpha-converting enzymeIprotein256Homo sapiensP78536 (AlphaFold model)
Sequence of entity 1 (A, C), FASTA
>1BKC_1 TUMOR NECROSIS FACTOR-ALPHA-CONVERTING ENZYME (chains A, C)
DPMKNTCKLLVVADHRFYRYMGRGEESTTTNYLIELIDRVDDIYRNTAWDNAGFKGYGIQ
IEQIRILKSPQEVKPGEKHYNMAKSYPNEEKDAWDVKMLLEQFSFDIAEEASKVCLAHLF
TYQDFDMGTLGLAYVGSPRANSHGGVCPKAYYSPVGKKNIYLNSGLTSTKNYGKTILTKE
ADLVTTHELGHNFGAEHDPDGLAECAPNEDQGGKYVMYPIAVSGDHENNKMFSQCSKQSI
YKTIESKAQECFQERS
Sequence of entity 2 (E), FASTA
>1BKC_2 TUMOR NECROSIS FACTOR-ALPHA-CONVERTING ENZYME (chains E)
DPMKNTCKLLVVADHRFYRYMGRGEESTTTNYLIELIDRVDDIYRNTAWDNAGFKGYGIQ
IEQIRILKSPQEVKPGEKHYNMAKSYPNEEKDAWDVKMLLEQFSFDIAEEASKVCLAHLF
TYQDFDMGTLGLAYVGSPRANSHGGVCPKAYYSPVGKKNIYLNSGLTSTKNYGKTILTKE
ADLVTTHELGHNFGAEHDPDGKAECAPNEDQGGKYVMYPIAVSGDHENNKMFSQCSKQSI
YKTIESKAQECFQERS
Sequence of entity 3 (I), FASTA
>1BKC_3 TUMOR NECROSIS FACTOR-ALPHA-CONVERTING ENZYME (chains I)
DPMKNTCKLLVVADHRFYRYMGRGEESTTTNYLIELIDRVDDIYRNTAWDNAGFKGYGIQ
IEQIRILKSPQEVKPGEKHYNMAKSYPNEEKDAWDVKMLLEQFSFDIAEEASKVCLAHLF
TYQDFDMGTLGLAYVGSPRANSHGGVCPKAYYSPVGKKNIYLNSGLTSTKNYGKTILTKE
ADLVTTHELGHNFGAEHDPDGLAECAPNEEQGGKYVMYPIAVSGDHENNKMFSQCSKQSI
YKTIESKAQECFQERS

Ligands and cofactors

IDNameFormulaCopies
INNN-{(2R)-2-[2-(hydroxyamino)-2-oxoethyl]-4-methylpentanoyl}-3-methyl-L-valyl-N-(…C19 H37 N5 O54
ZNZinc ionZn4

Primary citation

Crystal structure of the catalytic domain of human tumor necrosis factor-alpha-converting enzyme. Maskos, K., Fernandez-Catalan, C., Huber, R. et al. Proc Natl Acad Sci U S A (1998) 95:3408-3412. DOI 10.1073/pnas.95.7.3408 · PubMed

Other PDB entries of the same protein (UniProt P78536 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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