BMRB

Biological Magnetic Resonance Data Bank


A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
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BMRB Entry 5176

Title: SOLUTION STRUCTURE OF THE SQUASH TRYPSIN INHIBITOR MCoTI-II, NMR, 30 STRUCTURES.   PubMed: 11434766

Authors: Heitz, A.; Hernandez, J.; Gagnon, J.; Hong, T.; Pham, T.; Nguyen, T.; Le-Nguyen, D.; Chiche, L.

Citation: HEITZ, A.; HERNANDEZ, J.; GAGNON, J.; HONG, T.; PHAM, T.; NGUYEN, T.; LE-NGUYEN, D.; CHICHE, L.. "Solution structure of the squash trypsin inhibitor MCoTI-II. A new family for cyclic knottins."  Biochemistry 40, 7973-7983 (2001).

Assembly members:
MCoTI-II, polymer, 34 residues, 3453 Da.

Natural source:   Common Name: Spiny bitter cucumber   Taxonomy ID: 3674   Superkingdom: Eukaryota   Kingdom: Virdiplanta   Genus/species: Momordica cochinchinensis

Experimental source:   Production method: purified from the natural source

Entity Sequences (FASTA):
MCoTI-II: SGSDGGVCPKILKKCRRDSD CPGACICRGNGYCG

Data sets:
Data typeCount
13C chemical shifts95
1H chemical shifts210

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
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Assembly:

Entity Assembly IDEntity NameEntity ID
1MCoTI-II subunit 11

Entities:

Entity 1, MCoTI-II subunit 1 34 residues - 3453 Da.

1   SERGLYSERASPGLYGLYVALCYSPROLYS
2   ILELEULYSLYSCYSARGARGASPSERASP
3   CYSPROGLYALACYSILECYSARGGLYASN
4   GLYTYRCYSGLY

Samples:

sample_1: MCoTI-II 2.5 mM

sample_cond_1: pH: 3.40; pressure: 1 atm; temperature: 305.0 K

Experiments:

NameSampleSample stateSample conditions
2D NOESYsample_1not availablesample_cond_1
COSYsample_1not availablesample_cond_1
TOCSYsample_1not availablesample_cond_1
1H-13C HSQCsample_1not availablesample_cond_1

Software:

xwinnmr v2.6 -

NMR spectrometers:

  • Bruker AMX 600 MHz

Related Database Links:

SWISS-PROT P82409
PDB
BMRB 7361 5028