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Structural characterization of melanoregulin (mreg): the protein involved in regulation of cell pigmentation
Authors
Rout, A.K., Bermejo, G., Marie-Paule, S., Hammer, J.A., Tjandra, N.
Assembly
Melanoregulin
Entity
1. Melanoregulin (polymer), 217 monomers, 25312.58 Da Detail

EFSAGLRRWL RSACCCCPCR CLEEPARPEK EPLVSGNNPY SSFGATLERD DEKNLWSMPH DVSHTEADDD RILYNLIVIR NQQTKDSEEW QRLNYDIYTL RQIRREVRNR WRRILEDLGF QREADSLLSV TKLSTMSDSK NTRKAREMLL KLAEETSIFP ASWELSERYL LVVDRLIALD AAEDFFKIAS QMYPKKPGVP CLVDGQRKLH CLPFPSP


Formula weight
25312.58 Da
Source organism
Mus musculus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 80.2 %, Completeness: 53.9 %, Completeness (bb): 77.4 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All53.9 % (1399 of 2594)48.8 % (667 of 1367)57.3 % (575 of 1003)70.1 % (157 of 224)
Backbone77.4 % (987 of 1276)78.2 % (334 of 427)76.9 % (496 of 645)77.0 % (157 of 204)
Sidechain37.7 % (577 of 1529)35.4 % (333 of 940)42.9 % (244 of 569) 0.0 % (0 of 20)
Aromatic 9.5 % (18 of 190)13.7 % (13 of 95) 5.6 % (5 of 90) 0.0 % (0 of 5)
Methyl52.8 % (115 of 218)53.2 % (58 of 109)52.3 % (57 of 109)

1. Melanoregulin

EFSAGLRRWL RSACCCCPCR CLEEPARPEK EPLVSGNNPY SSFGATLERD DEKNLWSMPH DVSHTEADDD RILYNLIVIR NQQTKDSEEW QRLNYDIYTL RQIRREVRNR WRRILEDLGF QREADSLLSV TKLSTMSDSK NTRKAREMLL KLAEETSIFP ASWELSERYL LVVDRLIALD AAEDFFKIAS QMYPKKPGVP CLVDGQRKLH CLPFPSP

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.01) atm, Temperature 303 (±0.2) K, pH 6.3 (±0.05), Details 0.150 mM [U-99% 15N] melanoregulin, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1melanoregulin[U-99% 15N]0.150 mM
2H2Onatural abundance90 %
3D2Onatural abundance10 %
4L-Argininenatural abundance5 mM
5L-Glutaminenatural abundance5 mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.01) atm, Temperature 303 (±0.2) K, pH 6.3 (±0.05), Details 0.150 mM [U-99% 13C; U-99% 15N] melanoregulin, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
6melanoregulin[U-99% 13C; U-99% 15N]0.150 mM
7H2Onatural abundance90 %
8D2Onatural abundance10 %
9L-Argininenatural abundance5 mM
10L-Glutaminenatural abundance5 mM
Sample #3

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.01) atm, Temperature 303 (±0.2) K, pH 6.3 (±0.05), Details 0.150 mM U-15;U-13C;U-2H melanoregulin, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
11melanoregulinU-15;U-13C;U-2H0.150 mM
12H2Onatural abundance90 %
13D2Onatural abundance10 %
14L-Argininenatural abundance5 mM
15L-Glutaminenatural abundance5 mM
Sample #4

Solvent system 100% D2O, Pressure 1 (±0.01) atm, Temperature 303 (±0.2) K, pH 6.3 (±0.05), Details 0.150 mM 15N/13C/2H/ILV-CH3 melanoregulin, 100% D2O


#NameIsotope labelingTypeConcentration
16melanoregulin15N/13C/2H/ILV-CH30.150 mM
17D2Onatural abundance100 %
18L-Argininenatural abundance5 mM
19L-Glutaminenatural abundance5 mM
Sample #5

Solvent system 90% H2O/10% D2O, Pressure 1 (±0.01) atm, Temperature 303 (±0.2) K, pH 6.3 (±0.05), Details 0.150 mM [U-99% 15N] melanoregulin, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
20melanoregulin[U-99% 15N]0.150 mM
21H2Onatural abundance90 %
22D2Onatural abundance10 %
23L-Argininenatural abundance5 mM
24L-Glutaminenatural abundance5 mM

LACS Plot; CA
Referencing offset: 0.73 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.73 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.06 ppm, Outliers: 3 Detail
LACS Plot; CO
Referencing offset: -0.22 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5KBO, Strand ID: A Detail


Release date
2016-06-07
Citation
The Structure of Melanoregulin Reveals a Role for Cholesterol Recognition in the Protein's Ability to Promote Dynein Function
Rout, A.K., Wu, X., Starich, M.R., Strub, M.P., Hammer, J.A., Tjandra, N.
Structure (2018), 26, 1373-1383, PubMed 30174147 , DOI 10.1016/j.str.2018.07.009 ,
Related entities 1. Melanoregulin, : 2 : 4 entities Detail
Interaction partners 1. Melanoregulin, : 4 interactors Detail
Experiments performed 13 experiments Detail
nullKeywords TRANSPORT PROTEIN, alpha helical, cellular pigmentation