NMR and Mass Spectrometric Studies of M-2 Branch Mini-M Conotoxins from Indian Cone Snails
ID | Type | Value order | Atom ID 1 | Atom ID 2 |
---|---|---|---|---|
1 | disulfide | sing | 1:CYS14:SG | 1:CYS1:SG |
2 | disulfide | sing | 1:CYS10:SG | 1:CYS2:SG |
3 | disulfide | sing | 1:CYS13:SG | 1:CYS6:SG |
Polymer type: polypeptide(L)
Total | 1H | 13C | |
---|---|---|---|
All | 84.4 % (92 of 109) | 95.2 % (59 of 62) | 70.2 % (33 of 47) |
Backbone | 78.5 % (51 of 65) | 92.9 % (26 of 28) | 67.6 % (25 of 37) |
Sidechain | 94.5 % (52 of 55) | 97.1 % (33 of 34) | 90.5 % (19 of 21) |
Aromatic | 50.0 % (2 of 4) | 100.0 % (2 of 2) | 0.0 % (0 of 2) |
Methyl | 100.0 % (10 of 10) | 100.0 % (5 of 5) | 100.0 % (5 of 5) |
1. entity
CCRLACGLGC HXCCXSolvent system methanol, Pressure 1 atm, Temperature 303 K
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | ar1446 | natural abundance | 0.2 mM | |
2 | methanol | natural abundance | 100 % |
Bruker Avance - 500 MHz
State isotropic, Solvent system methanol, Pressure 1 atm, Temperature 303 K
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | ar1446 | natural abundance | 0.2 mM | |
2 | methanol | natural abundance | 100 % |
Bruker Avance - 500 MHz
State isotropic, Solvent system methanol, Pressure 1 atm, Temperature 303 K
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | ar1446 | natural abundance | 0.2 mM | |
2 | methanol | natural abundance | 100 % |
Bruker Avance - 700 MHz
State isotropic, Solvent system methanol, Pressure 1 atm, Temperature 303 K
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | ar1446 | natural abundance | 0.2 mM | |
2 | methanol | natural abundance | 100 % |
Bruker Avance - 700 MHz
State isotropic, Solvent system methanol, Pressure 1 atm, Temperature 303 K
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | ar1446 | natural abundance | 0.2 mM | |
2 | methanol | natural abundance | 100 % |
Properties
Input source #1: NMR data (NEF) - Assigned chemical shifts, Distance restraints, Dihedral angle restraints | combined_19102_2m61.nef |
Input source #2: Coordindates | 2m61.cif |
Diamagnetism of the molecular assembly | True (excluding Oxygen atoms) |
Whether the assembly has a disulfide bond | True (see coordinates for details) |
Whether the assembly has a other bond | True (see coodinates for details) |
Whether the assembly contains a cyclic polymer | None |
Overall data processing status | Warning |
Disulfide bonds
Ptnr_site_1 | Ptnr_site_2 | Redox_state_prediction_1 | Redox_state_prediction_2 | Distance (Å) |
---|---|---|---|---|
A:1:CYS:SG | A:14:CYS:SG | oxidized, CA 52.48, CB 40.25 ppm | oxidized, CA 53.06, CB 40.26 ppm | 2.062 |
A:2:CYS:SG | A:10:CYS:SG | oxidized, CA 56.43, CB 45.09 ppm | oxidized, CA 57.67, CB 36.24 ppm | 2.071 |
A:6:CYS:SG | A:13:CYS:SG | oxidized, CA 54.2, CB 40.85 ppm | oxidized, CA 54.25, CB 39.49 ppm | 2.122 |
Other bonds (neither disulfide, covalent nor hydrogen bonds, e.g. Zinc–sulphur bond)
Ptnr_site_1 | Ptnr_site_2 | Redox_state_prediction_1 | Redox_state_prediction_2 | Distance (Å) |
---|---|---|---|---|
1:11:HIS:C | 1:12:HYP:N | unknown | unknown | n/a |
1:12:HYP:C | 1:13:CYS:N | unknown | unknown | n/a |
1:14:CYS:C | 1:15:NH2:N | unknown | unknown | n/a |
Non-standard residues
Chain_ID | Seq_ID | Comp_ID | Chem_comp_name | Experimental evidences |
---|---|---|---|---|
A | 12 | HYP | 4-HYDROXYPROLINE | Assigned chemical shifts, Distance restraints, Torsion angle restraints, Coordinates |
A | 15 | NH2 | AMINO GROUP | Assigned chemical shifts, Coordinates |
Sequence alignments
--------10----- CCRLACGLGCHXCCX ||||||||||||||| CCRLACGLGCHXCCX
Chain assignments
Entity_assembly_ID (NMR) | Auth_asym_ID (model) | Length | Unmapped | Conflict | Sequence coverage (%) |
---|---|---|---|---|---|
A | A | 15 | 0 | 0 | 100.0 |
Content subtype: combined_19102_2m61.nef
Assigned chemical shifts
Atom group | # of target shifts | # of assigned shifts | Completeness (%) |
---|---|---|---|
1H chemical shifts | 70 | 67 | 95.7 |
13C chemical shifts | 52 | 36 | 69.2 |
Atom group | # of target shifts | # of assigned shifts | Completeness (%) |
---|---|---|---|
1H chemical shifts | 29 | 27 | 93.1 |
13C chemical shifts | 28 | 14 | 50.0 |
Atom group | # of target shifts | # of assigned shifts | Completeness (%) |
---|---|---|---|
1H chemical shifts | 41 | 40 | 97.6 |
13C chemical shifts | 24 | 22 | 91.7 |
Atom group | # of target shifts | # of assigned shifts | Completeness (%) |
---|---|---|---|
1H chemical shifts | 5 | 5 | 100.0 |
13C chemical shifts | 5 | 5 | 100.0 |
Atom group | # of target shifts | # of assigned shifts | Completeness (%) |
---|---|---|---|
1H chemical shifts | 2 | 2 | 100.0 |
13C chemical shifts | 2 | 0 | 0.0 |
Covalent bonds
Distance restraints
--------10----- CCRLACGLGCHXCCX |||||||||||||| CCRLACGLGCHXCC --------10----
--------10----- CCRLACGLGCHXCCX |||||||||||||| CCRLACGLGCHXCC --------10----
Dihedral angle restraints
--------10----- CCRLACGLGCHXCCX |||||||||||||| CCRLACGLGCHXCC --------10----