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The structure of chaperone SecB in complex with unstructured proPhoA binding site d
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), 40 monomers, 4320.944 × 4 Da Detail

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP


Total weight
86392.414 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: 80.5 %, Completeness: 50.7 %, Completeness (bb): 67.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All50.7 % (1133 of 2236)36.6 % (423 of 1155)64.9 % (565 of 870)68.7 % (145 of 211)
Backbone67.2 % (770 of 1146)49.4 % (193 of 391)76.0 % (435 of 572)77.6 % (142 of 183)
Sidechain39.5 % (502 of 1272)30.1 % (230 of 764)56.0 % (269 of 480)10.7 % (3 of 28)
Aromatic46.8 % (88 of 188)48.9 % (46 of 94)44.6 % (41 of 92)50.0 % (1 of 2)
Methyl75.9 % (161 of 212)76.4 % (81 of 106)75.5 % (80 of 106)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 80.5 %, Completeness: 51.3 %, Completeness (bb): 66.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All51.3 % (2295 of 4472)38.4 % (887 of 2310)64.4 % (1120 of 1740)68.2 % (288 of 422)
Backbone66.8 % (1532 of 2292)50.9 % (398 of 782)74.7 % (854 of 1144)76.5 % (280 of 366)
Sidechain40.4 % (1028 of 2544)31.7 % (485 of 1528)55.7 % (535 of 960)14.3 % (8 of 56)
Aromatic46.5 % (175 of 376)47.9 % (90 of 188)45.1 % (83 of 184)50.0 % (2 of 4)
Methyl73.8 % (313 of 424)74.1 % (157 of 212)73.6 % (156 of 212)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 80.5 %, Completeness: 52.4 %, Completeness (bb): 67.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All52.4 % (3515 of 6708)39.6 % (1372 of 3465)65.3 % (1705 of 2610)69.2 % (438 of 633)
Backbone67.9 % (2335 of 3438)52.3 % (614 of 1173)75.6 % (1297 of 1716)77.2 % (424 of 549)
Sidechain41.6 % (1586 of 3816)32.9 % (755 of 2292)56.7 % (817 of 1440)16.7 % (14 of 84)
Aromatic47.7 % (269 of 564)49.3 % (139 of 282)46.0 % (127 of 276)50.0 % (3 of 6)
Methyl75.0 % (477 of 636)75.2 % (239 of 318)74.8 % (238 of 318)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 79.0 %, Completeness: 52.0 %, Completeness (bb): 67.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All52.0 % (4650 of 8944)39.0 % (1804 of 4620)64.9 % (2260 of 3480)69.4 % (586 of 844)
Backbone67.6 % (3101 of 4584)52.0 % (814 of 1564)75.3 % (1722 of 2288)77.2 % (565 of 732)
Sidechain41.1 % (2091 of 5088)32.3 % (987 of 3056)56.4 % (1083 of 1920)18.8 % (21 of 112)
Aromatic46.0 % (346 of 752)47.3 % (178 of 376)44.6 % (164 of 368)50.0 % (4 of 8)
Methyl75.5 % (640 of 848)75.5 % (320 of 424)75.5 % (320 of 424)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 50.8 %, Completeness: 47.5 %, Completeness (bb): 61.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All47.5 % (5308 of 11180)36.5 % (2109 of 5775)58.0 % (2525 of 4350)63.9 % (674 of 1055)
Backbone61.9 % (3548 of 5730)49.1 % (960 of 1955)67.8 % (1939 of 2860)70.9 % (649 of 915)
Sidechain37.4 % (2376 of 6360)29.8 % (1138 of 3820)50.5 % (1213 of 2400)17.9 % (25 of 140)
Aromatic39.3 % (369 of 940)41.9 % (197 of 470)36.3 % (167 of 460)50.0 % (5 of 10)
Methyl67.8 % (719 of 1060)67.9 % (360 of 530)67.7 % (359 of 530)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 53.3 %, Completeness: 45.0 %, Completeness (bb): 58.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All45.0 % (6035 of 13416)35.4 % (2452 of 6930)53.9 % (2811 of 5220)61.0 % (772 of 1266)
Backbone58.3 % (4012 of 6876)47.5 % (1114 of 2346)62.9 % (2158 of 3432)67.4 % (740 of 1098)
Sidechain35.7 % (2726 of 7632)29.0 % (1328 of 4584)47.4 % (1366 of 2880)19.0 % (32 of 168)
Aromatic35.6 % (402 of 1128)39.0 % (220 of 564)31.9 % (176 of 552)50.0 % (6 of 12)
Methyl64.5 % (820 of 1272)64.8 % (412 of 636)64.2 % (408 of 636)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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 Complete7
Sequence coverage: 54.9 %, Completeness: 43.4 %, Completeness (bb): 55.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All43.4 % (6792 of 15652)34.8 % (2817 of 8085)51.0 % (3106 of 6090)58.8 % (869 of 1477)
Backbone55.9 % (4487 of 8022)46.4 % (1271 of 2737)59.6 % (2385 of 4004)64.9 % (831 of 1281)
Sidechain34.8 % (3097 of 8904)28.7 % (1536 of 5348)45.3 % (1523 of 3360)19.4 % (38 of 196)
Aromatic32.7 % (430 of 1316)36.5 % (240 of 658)28.4 % (183 of 644)50.0 % (7 of 14)
Methyl61.4 % (911 of 1484)61.7 % (458 of 742)61.1 % (453 of 742)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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 Complete8
Sequence coverage: 50.8 %, Completeness: 41.8 %, Completeness (bb): 53.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All41.8 % (7481 of 17888)34.2 % (3157 of 9240)48.4 % (3366 of 6960)56.8 % (958 of 1688)
Backbone53.6 % (4912 of 9168)45.2 % (1414 of 3128)56.4 % (2582 of 4576)62.6 % (916 of 1464)
Sidechain33.7 % (3430 of 10176)28.3 % (1730 of 6112)43.2 % (1658 of 3840)18.8 % (42 of 224)
Aromatic29.3 % (440 of 1504)33.1 % (249 of 752)24.9 % (183 of 736)50.0 % (8 of 16)
Methyl59.1 % (1002 of 1696)59.4 % (504 of 848)58.7 % (498 of 848)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

ANQQKPLLGL FADGNMPVRW LGPKATYHGN IDKPAVTCTP

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 d, 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 d[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: 0.05 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: 0.05 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 5JTO, Strand ID: A, B, C, D, E, F, G, H 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 ,
Related entities 1. Protein-export protein SecB, : 1 : 8 : 3 : 1 : 99 entities Detail
Related entities 2. Alkaline phosphatase, : 1 : 3 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 11 contents Detail
Keywords Molecular chaperone