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The structure of chaperone SecB in complex with unstructured proPhoA binding site c
Authors
Huang, C., Saio, T., Rossi, P., Kalodimos, C.G.
Assembly
Protein-export protein SecB, Alkaline phosphatase (E.C.3.1.3.1)
Entity
1. Protein-export protein SecB (polymer), 155 monomers, 17277.16 × 4 Da Detail

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA


2. Alkaline phosphatase (polymer, Thiol state: not present), 55 monomers, 5726.277 × 2 Da Detail

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD


Total weight
80561.195 Da
Max. entity weight
17277.16 Da
Source organism
Escherichia coli O157:H7 , Escherichia coli K-12
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 77.6 %, Completeness: 49.4 %, Completeness (bb): 63.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All49.4 % (1172 of 2371)37.9 % (461 of 1215)60.8 % (565 of 929)64.3 % (146 of 227)
Backbone63.0 % (782 of 1242)47.9 % (205 of 428)70.6 % (433 of 613)71.6 % (144 of 201)
Sidechain39.9 % (527 of 1322)32.5 % (256 of 787)52.8 % (269 of 509) 7.7 % (2 of 26)
Aromatic40.1 % (89 of 222)43.2 % (48 of 111)36.7 % (40 of 109)50.0 % (1 of 2)
Methyl73.5 % (169 of 230)73.9 % (85 of 115)73.0 % (84 of 115)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete2
Sequence coverage: 75.2 %, Completeness: 50.8 %, Completeness (bb): 63.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All50.8 % (2411 of 4742)40.0 % (973 of 2430)61.5 % (1142 of 1858)65.2 % (296 of 454)
Backbone63.6 % (1579 of 2484)49.2 % (421 of 856)70.9 % (869 of 1226)71.9 % (289 of 402)
Sidechain42.0 % (1111 of 2644)35.1 % (552 of 1574)54.2 % (552 of 1018)13.5 % (7 of 52)
Aromatic39.4 % (175 of 444)42.3 % (94 of 222)36.2 % (79 of 218)50.0 % (2 of 4)
Methyl73.3 % (337 of 460)73.9 % (170 of 230)72.6 % (167 of 230)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete3
Sequence coverage: 75.2 %, Completeness: 52.3 %, Completeness (bb): 64.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All52.3 % (3723 of 7113)42.2 % (1540 of 3645)62.1 % (1732 of 2787)66.2 % (451 of 681)
Backbone64.2 % (2393 of 3726)50.9 % (653 of 1284)70.9 % (1304 of 1839)72.3 % (436 of 603)
Sidechain44.1 % (1749 of 3966)37.6 % (887 of 2361)55.5 % (847 of 1527)19.2 % (15 of 78)
Aromatic37.8 % (252 of 666)39.9 % (133 of 333)35.5 % (116 of 327)50.0 % (3 of 6)
Methyl73.5 % (507 of 690)73.9 % (255 of 345)73.0 % (252 of 345)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete4
Sequence coverage: 75.7 %, Completeness: 51.8 %, Completeness (bb): 64.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All51.8 % (4916 of 9484)41.3 % (2007 of 4860)62.1 % (2307 of 3716)66.3 % (602 of 908)
Backbone64.0 % (3181 of 4968)50.1 % (857 of 1712)71.0 % (1742 of 2452)72.4 % (582 of 804)
Sidechain43.4 % (2294 of 5288)36.5 % (1150 of 3148)55.2 % (1124 of 2036)19.2 % (20 of 104)
Aromatic37.3 % (331 of 888)39.2 % (174 of 444)35.1 % (153 of 436)50.0 % (4 of 8)
Methyl72.5 % (667 of 920)72.8 % (335 of 460)72.2 % (332 of 460)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete5
Sequence coverage: 57.6 %, Completeness: 48.5 %, Completeness (bb): 60.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All48.5 % (5752 of 11855)39.7 % (2414 of 6075)56.5 % (2625 of 4645)62.8 % (713 of 1135)
Backbone60.0 % (3725 of 6210)49.4 % (1058 of 2140)64.6 % (1979 of 3065)68.5 % (688 of 1005)
Sidechain40.5 % (2679 of 6610)34.5 % (1356 of 3935)51.0 % (1298 of 2545)19.2 % (25 of 130)
Aromatic33.3 % (370 of 1110)35.3 % (196 of 555)31.0 % (169 of 545)50.0 % (5 of 10)
Methyl65.9 % (758 of 1150)65.9 % (379 of 575)65.9 % (379 of 575)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete6
Sequence coverage: 63.8 %, Completeness: 47.4 %, Completeness (bb): 57.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All47.4 % (6737 of 14226)40.0 % (2914 of 7290)53.5 % (2981 of 5574)61.8 % (842 of 1362)
Backbone57.8 % (4308 of 7452)49.6 % (1273 of 2568)60.5 % (2225 of 3678)67.2 % (810 of 1206)
Sidechain40.0 % (3173 of 7932)34.8 % (1641 of 4722)49.1 % (1500 of 3054)20.5 % (32 of 156)
Aromatic33.3 % (444 of 1332)35.9 % (239 of 666)30.3 % (198 of 654)58.3 % (7 of 12)
Methyl62.8 % (867 of 1380)62.9 % (434 of 690)62.8 % (433 of 690)

1. Protein-export protein SecB

MSEQNNTEMT FQIQRIYTKD ISFEAPNAPH VFQKDWQPEV KLDLDTASSQ LADDVYEVVL RVTVTASLGE ETAFLCEVQQ GGIFSIAGIE GTQMAHCLGA YCPNILFPYA RECITSMVSR GTFPQLNLAP VNFDALFMNY LQQQAGEGTE EHQDA

2. Alkaline phosphatase

GGFFKGIDAL PLTGQYTHYA LNKKTGKPDY VTDSAASATA WSTGVKTYNG ALGVD

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] E.coli Chaperone SecB, 300 uM [U-100% 13C; U-100% 15N] E.coli Alkaline Phosphatase (PhoA) binding site c, 150 mM potassium chloride, 50 mM sodium phosphate, 50 mM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1E.coli Alkaline Phosphatase (PhoA) binding site c[U-100% 13C; U-100% 15N]300 uM
2E.coli Chaperone SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 mM
4potassium phosphatenatural abundance50 mM
5sodium phosphatenatural abundance50 mM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

LACS Plot; CA
Referencing offset: 0.03 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.03 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.1 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5JTN, Strand ID: A, B, C, D, E, F Detail


Release date
2016-08-17
Citation
Structural basis for the antifolding activity of a molecular chaperone
Huang, C., Saio, T., Rossi, P., Kalodimos, C.G.
Nature (2016), 537, 202-206, PubMed 27501151 , DOI 10.1038/nature18965 ,
Entries sharing articles BMRB: 6 entries Detail
  BMRB: 30080 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured proPhoA
  BMRB: 30081 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured PhoA binding site a
  BMRB: 30083 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured proPhoA binding site d
  BMRB: 30084 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured proPhoA binding site e
  BMRB: 30085 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured MBP binding site d
  BMRB: 30086 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured MBP binding site e
Related entities 1. Protein-export protein SecB, : 2 : 3 : 97 entities Detail
Related entities 2. Alkaline phosphatase, : 1 : 39 : 2 : 9 : 20 entities Detail
Interaction partners 2. Alkaline phosphatase, : 8 interactors Detail
Experiments performed 5 experiments Detail
NMR combined restraints 9 contents Detail
Keywords Molecular Chaperone