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NMR data-driven model of GTPase KRas-GNP tethered to a lipid-bilayer nanodisc
Authors
Mazhab-Jafari, M., Stathopoulos, P., Marshall, C., Ikura, M.
Assembly
K-Ras and membrane scaffold protein
Entity
1. K-Ras (polymer), 187 monomers, 21224.93 Da Detail

GSMTEYKLVV VGAGGVGKSA LTIQLIQNHF VDEYDPTIED SYRKQVVIDG ETCLLDILDT AGQEEYSAMR DQYMRTGEGF LCVFAINNTK SFEDIHHYRE QIKRVKDSED VPMVLVGNKC DLPSRTVDTK QAQDLARSYG IPFIETSAKT RQGVDDAFYT LVREIRKHKE KMSKDGKKKK KKSKTKC


2. membrane scaffold protein (polymer, Thiol state: not present), 200 monomers, 23197.95 Da Detail

GPLKLLDNWD SVTSTFSKLR EQLGPVTQEF WDNLEKETEG LRQEMSKDLE EVKAKVQPYL DDFQKKWQEE MELYRQKVEP LRAELQEGAR QKLHELQEKL SPLGEEMRDR ARAHVDALRT HLAPYSDELR QRLAARLEAL KENGGARLAE YHAKATEHLS TLSEKAKPAL EDLRGELLPV LESFKVSFLS ALEEYTKKLN


Total weight
44422.88 Da
Max. entity weight
23197.95 Da
Source organism
Escherichia coli
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 7.0 %, Completeness: 2.2 %, Completeness (bb): 2.2 % Detail

Polymer type: polypeptide(L)

Total1H13C
All 2.2 % (94 of 4205) 2.4 % (58 of 2426) 2.0 % (36 of 1779)
Backbone 2.2 % (43 of 1923) 3.1 % (24 of 783) 1.7 % (19 of 1140)
Sidechain 2.2 % (58 of 2648) 2.2 % (36 of 1643) 2.2 % (22 of 1005)
Aromatic 0.0 % (0 of 283) 0.0 % (0 of 143) 0.0 % (0 of 140)
Methyl 5.9 % (24 of 406) 6.4 % (13 of 203) 5.4 % (11 of 203)

1. K-Ras

GSMTEYKLVV VGAGGVGKSA LTIQLIQNHF VDEYDPTIED SYRKQVVIDG ETCLLDILDT AGQEEYSAMR DQYMRTGEGF LCVFAINNTK SFEDIHHYRE QIKRVKDSED VPMVLVGNKC DLPSRTVDTK QAQDLARSYG IPFIETSAKT RQGVDDAFYT LVREIRKHKE KMSKDGKKKK KKSKTKC

2. membrane scaffold protein

GPLKLLDNWD SVTSTFSKLR EQLGPVTQEF WDNLEKETEG LRQEMSKDLE EVKAKVQPYL DDFQKKWQEE MELYRQKVEP LRAELQEGAR QKLHELQEKL SPLGEEMRDR ARAHVDALRT HLAPYSDELR QRLAARLEAL KENGGARLAE YHAKATEHLS TLSEKAKPAL EDLRGELLPV LESFKVSFLS ALEEYTKKLN

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298.2 K, pH 7.4


#NameIsotope labelingTypeConcentration
1K-RasU-15N, Ile C-delta-13C0.6 mM
2membrane scaffold proteinnatural abundance0.6 mM
3TRISnatural abundance20 mM
4sodium chloridenatural abundance100 mM
5TCEPnatural abundance2 mM
6PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTERnatural abundance0.6 mM
7Magnesiumnatural abundance5 mM
81,2-dioleoyl-sn-glycero-3-phosphocholinenatural abundance18.75 mM
91,2-dioleoyl-sn-glycero-3-phospho-L-serinenatural abundance5 mM
101,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-[4-(p-maleimidomethyl)cyclohexane-carboxamide]natural abundance1.25 mM
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298.2 K, pH 7.4


#NameIsotope labelingTypeConcentration
11K-RasU-15N, Ile C-delta-13C0.6 mM
12membrane scaffold proteinnatural abundance0.6 mM
13TRISnatural abundance20 mM
14sodium chloridenatural abundance100 mM
15Magnesiumnatural abundance5 mM
16PHOSPHOAMINOPHOSPHONIC ACID-GUANYLATE ESTERnatural abundance0.6 mM
17TCEPnatural abundance2 mM
181,2-dioleoyl-sn-glycero-3-phosphocholinenatural abundance18.75 mM
191,2-dioleoyl-sn-glycero-3-phospho-L-serinenatural abundance5 mM
201,2-dioleoyl-sn-glycero-3-phosphoethanolamine-N-[4-(p-maleimidomethyl)cyclohexane-carboxamide]natural abundance1.25 mM
211,2-distearoyl-sn-glycero-3-phosphoethanolamine-N-diethylenetriaminepentaacetic acid (gadolinium salt)natural abundance0.65 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 2MSD, Strand ID: A, B, C Detail


Release date
2015-05-26
Citation
Oncogenic and RASopathy-associated K-RAS mutations relieve membrane-dependent occlusion of the effector-binding site
Mazhab-Jafari, M., Marshall, C., Smith, M., Gasmi-Seabrook, G., Stathopoulos, P., Inagaki, F., Kay, L., Neel, B., Ikura, M.
Proc. Natl. Acad. Sci. U. S. A. (2015), 112, 6625-6630, PubMed 25941399 , DOI 10.1073/pnas.1419895112 ,
Related entities 1. K-Ras, : 101 entities Detail
Related entities 2. membrane scaffold protein, : 1 : 18 : 31 entities Detail
Experiments performed 2 experiments Detail
nullKeywords Docking, K-Ras, Nanodisc, PRE