BMRB Entry 4404
Chem Shift validation: AVS_full
BMRB Entry DOI: doi:10.13018/BMR4404
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Citation: Lu, Shanyun; Deng, Pengchi; Liu, Xiucai; Luo, Jingchu; Han, Rushan; Gu, Xiaocheng; Liang, Songping; Wang, Xianchun; Li, Feng; Lozanov, Valentin; Patthy, Andras; Pongor, Sandor. "Solution Structure of the Major alpha-amylase Inhibitor of the crop plant
Amaranth" J. Biol. Chem. 274, 20473-20478 (1999).
Assembly members:
alpha-amylase inhibitor, polymer, 32 residues, Formula weight is not available
Natural source: Common Name: grain amaranth Taxonomy ID: 28502 Superkingdom: Eukaryota Kingdom: Viridiplantae Genus/species: Amaranthus hypochondriacus
Experimental source: Production method: chemical synthesis
Entity Sequences (FASTA):
alpha-amylase inhibitor: CIPKWNRCGPKMDGVPCCEP
YTCTSDYYGNCS
- assigned_chemical_shifts
- coupling_constants
| Data type | Count |
| 1H chemical shifts | 173 |
| coupling constants | 8 |
Additional metadata:
Assembly:
| Entity Assembly ID | Entity Name | Entity ID |
|---|---|---|
| 1 | AAI monomer | 1 |
Entities:
Entity 1, AAI monomer 32 residues - Formula weight is not available
| 1 | CYS | ILE | PRO | LYS | TRP | ASN | ARG | CYS | GLY | PRO | ||||
| 2 | LYS | MET | ASP | GLY | VAL | PRO | CYS | CYS | GLU | PRO | ||||
| 3 | TYR | THR | CYS | THR | SER | ASP | TYR | TYR | GLY | ASN | ||||
| 4 | CYS | SER |
Samples:
sample_1: alpha-amylase inhibitor 5.0 mM
sample_2: alpha-amylase inhibitor 2.0 mM
Ex-cond_1: pH: 6.5; temperature: 300 K
Ex-cond_2: pH*: 6.5; temperature: 300 K
Experiments:
| Name | Sample | Sample state | Sample conditions |
|---|---|---|---|
| 1H-COSY | not available | not available | not available |
| 1H-TOCSY | not available | not available | not available |
| 1H-NOESY | not available | not available | not available |
Software:
SYBYL v6.3 -
NMR spectrometers:
- Bruker DMX 500 MHz