2MT8: Solution structure MTAbl13, a grafted MCoTI-II

Solution structure MTAbl13, a grafted MCoTI-II. Determined by solution NMR. Released 14 Oct 2015.

Method: Solution NMR
Organism: synthetic construct
Chains: 1
Atoms: 285
Mol. weight: 4.15 kDa
Released: 14 Oct 2015

Explore 2MT8 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2MT8 contains 2 α-helices and 4 β-strands across 1 chain. 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: 2 helices, 4 β-strands

Element	Residues	Length	Sheet
α-helix	7-8	2
β-strand	9	1	1
α-helix	13-15	3
β-strand	21-22	2	2
β-strand	27	1	1
β-strand	28-29	2	2

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
MTAbl13 of grafted MCoTI-II	A	protein	39	synthetic construct	P82409 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>2MT8_1 MTAbl13 of grafted MCoTI-II (chains A)
CEAIYAAPKCRRDSDCPGACICRGNGYCGEAIYAAPFAR

Primary citation

Design of substrate-based BCR-ABL kinase inhibitors using the cyclotide scaffold. Huang, Y.H., Henriques, S.T., Wang, C.K. et al. Sci Rep (2015) 5:12974-12974. DOI 10.1038/srep12974 · PubMed

Other PDB entries of the same protein (UniProt P82409 (AlphaFold model), which also has an AlphaFold model), best resolution first:

2C4B 1.3 Å, Inhibitor cystine knot protein McoEeTI fused to the catalytically inactive barnase…
4GUX 1.8 Å, Crystal structure of trypsin:MCoTi-II complex
1HA9 Solution structure of the squash trypsin inhibitor mcoti-II, NMR, 30 structures.
1IB9 Solution structure of mcoti-II, a macrocyclic trypsin inhibitor
2IT8 Solution structure of a linear analog of the cyclic squash trypsin inhibitor MCoTI-II
2PO8 The structure of a two-disulfide intermediate of MCoTI-II

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