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The structure of chaperone SecB in complex with unstructured proPhoA binding site e
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), 22 monomers, 2398.771 × 4 Da Detail

NVVGLTDQTD LFYTMKAALG LK


Total weight
78703.73 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: 88.1 %, Completeness: 56.8 %, Completeness (bb): 73.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All56.8 % (1152 of 2028)42.7 % (445 of 1042)70.6 % (559 of 792)76.3 % (148 of 194)
Backbone73.8 % (773 of 1048)56.1 % (201 of 358)82.7 % (430 of 520)83.5 % (142 of 170)
Sidechain44.9 % (515 of 1146)35.7 % (244 of 684)60.5 % (265 of 438)25.0 % (6 of 24)
Aromatic47.1 % (81 of 172)50.0 % (43 of 86)43.5 % (37 of 85)100.0 % (1 of 1)
Methyl79.4 % (162 of 204)78.4 % (80 of 102)80.4 % (82 of 102)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 85.9 %, Completeness: 55.9 %, Completeness (bb): 72.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All55.9 % (2266 of 4056)41.4 % (863 of 2084)69.9 % (1108 of 1584)76.0 % (295 of 388)
Backbone72.8 % (1525 of 2096)54.5 % (390 of 716)82.0 % (853 of 1040)82.9 % (282 of 340)
Sidechain44.0 % (1008 of 2292)34.6 % (473 of 1368)59.6 % (522 of 876)27.1 % (13 of 48)
Aromatic47.1 % (162 of 344)48.8 % (84 of 172)44.7 % (76 of 170)100.0 % (2 of 2)
Methyl78.4 % (320 of 408)77.9 % (159 of 204)78.9 % (161 of 204)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 88.1 %, Completeness: 55.9 %, Completeness (bb): 73.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All55.9 % (3402 of 6084)41.3 % (1290 of 3126)70.1 % (1665 of 2376)76.8 % (447 of 582)
Backbone73.2 % (2301 of 3144)54.8 % (589 of 1074)82.3 % (1284 of 1560)83.9 % (428 of 510)
Sidechain43.7 % (1504 of 3438)34.2 % (701 of 2052)59.7 % (784 of 1314)26.4 % (19 of 72)
Aromatic48.3 % (249 of 516)50.4 % (130 of 258)45.5 % (116 of 255)100.0 % (3 of 3)
Methyl76.8 % (470 of 612)76.5 % (234 of 306)77.1 % (236 of 306)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 88.1 %, Completeness: 55.4 %, Completeness (bb): 72.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All55.4 % (4490 of 8112)40.3 % (1679 of 4168)69.9 % (2216 of 3168)76.7 % (595 of 776)
Backbone72.9 % (3055 of 4192)53.8 % (770 of 1432)82.4 % (1714 of 2080)84.0 % (571 of 680)
Sidechain43.1 % (1975 of 4584)33.3 % (910 of 2736)59.4 % (1041 of 1752)25.0 % (24 of 96)
Aromatic47.7 % (328 of 688)49.7 % (171 of 344)45.0 % (153 of 340)100.0 % (4 of 4)
Methyl76.3 % (623 of 816)76.2 % (311 of 408)76.5 % (312 of 408)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 54.2 %, Completeness: 51.5 %, Completeness (bb): 67.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All51.5 % (5224 of 10140)38.7 % (2018 of 5210)63.6 % (2518 of 3960)70.9 % (688 of 970)
Backbone67.8 % (3551 of 5240)52.2 % (934 of 1790)75.3 % (1957 of 2600)77.6 % (660 of 850)
Sidechain40.0 % (2292 of 5730)31.7 % (1085 of 3420)53.8 % (1179 of 2190)23.3 % (28 of 120)
Aromatic40.5 % (348 of 860)43.3 % (186 of 430)37.2 % (158 of 425)80.0 % (4 of 5)
Methyl68.8 % (702 of 1020)68.8 % (351 of 510)68.8 % (351 of 510)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 35.0 %, Completeness: 47.0 %, Completeness (bb): 61.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All47.0 % (5722 of 12168)36.0 % (2251 of 6252)57.3 % (2721 of 4752)64.4 % (750 of 1164)
Backbone61.7 % (3879 of 6288)48.6 % (1045 of 2148)67.7 % (2113 of 3120)70.7 % (721 of 1020)
Sidechain36.6 % (2515 of 6876)29.4 % (1207 of 4104)48.7 % (1279 of 2628)20.1 % (29 of 144)
Aromatic34.2 % (353 of 1032)37.0 % (191 of 516)31.0 % (158 of 510)66.7 % (4 of 6)
Methyl62.7 % (767 of 1224)62.6 % (383 of 612)62.7 % (384 of 612)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 46.9 %, Completeness: 45.1 %, Completeness (bb): 58.9 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All45.1 % (6404 of 14196)35.3 % (2574 of 7294)54.2 % (3003 of 5544)60.9 % (827 of 1358)
Backbone58.9 % (4322 of 7336)47.8 % (1197 of 2506)64.0 % (2329 of 3640)66.9 % (796 of 1190)
Sidechain35.2 % (2827 of 8022)28.8 % (1378 of 4788)46.2 % (1418 of 3066)18.5 % (31 of 168)
Aromatic30.9 % (372 of 1204)33.7 % (203 of 602)27.7 % (165 of 595)57.1 % (4 of 7)
Methyl60.4 % (862 of 1428)60.4 % (431 of 714)60.4 % (431 of 714)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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: 48.0 %, Completeness: 43.8 %, Completeness (bb): 56.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All43.8 % (7103 of 16224)34.9 % (2912 of 8336)51.8 % (3285 of 6336)58.4 % (906 of 1552)
Backbone56.7 % (4750 of 8384)46.9 % (1343 of 2864)60.9 % (2534 of 4160)64.2 % (873 of 1360)
Sidechain34.5 % (3165 of 9168)28.7 % (1570 of 5472)44.6 % (1562 of 3504)17.2 % (33 of 192)
Aromatic29.6 % (407 of 1376)33.4 % (230 of 688)25.4 % (173 of 680)50.0 % (4 of 8)
Methyl58.2 % (950 of 1632)58.3 % (476 of 816)58.1 % (474 of 816)

1. Protein-export protein SecB

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

2. Alkaline phosphatase

NVVGLTDQTD LFYTMKAALG LK

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 e, 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 e[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 %

Protein Blocks Logo
Calculated from 20 models in PDB: 5JTP, 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, : 2 : 3 : 97 entities Detail
Related entities 2. Alkaline phosphatase, : 1 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 11 contents Detail
Keywords Molecular Chaperone