Search

The structure of chaperone SecB in complex with unstructured PhoA binding site a
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), 25 monomers, 2740.303 × 4 Da Detail

MKQSTIALAL LPLLFTPVTK ARTPE


Total weight
80069.85 Da
Max. entity weight
17277.16 Da
Source organism
Escherichia coli 55989 , Escherichia coli K-12
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 86.1 %, Completeness: 56.6 %, Completeness (bb): 73.8 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All56.6 % (1175 of 2076)43.4 % (464 of 1070)69.0 % (561 of 813)77.7 % (150 of 193)
Backbone73.8 % (782 of 1060)55.7 % (200 of 359)82.3 % (437 of 531)85.3 % (145 of 170)
Sidechain44.8 % (532 of 1187)37.1 % (264 of 711)58.1 % (263 of 453)21.7 % (5 of 23)
Aromatic53.0 % (87 of 164)56.1 % (46 of 82)49.4 % (40 of 81)100.0 % (1 of 1)
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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete2
Sequence coverage: 86.1 %, Completeness: 56.5 %, Completeness (bb): 73.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All56.5 % (2345 of 4152)43.6 % (932 of 2140)68.7 % (1117 of 1626)76.7 % (296 of 386)
Backbone73.1 % (1550 of 2120)56.1 % (403 of 718)81.2 % (862 of 1062)83.8 % (285 of 340)
Sidechain44.5 % (1056 of 2374)36.8 % (524 of 1422)57.6 % (522 of 906)21.7 % (10 of 46)
Aromatic53.4 % (175 of 328)58.5 % (96 of 164)47.5 % (77 of 162)100.0 % (2 of 2)
Methyl74.1 % (314 of 424)74.5 % (158 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete3
Sequence coverage: 87.8 %, Completeness: 56.5 %, Completeness (bb): 73.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All56.5 % (3516 of 6228)43.4 % (1392 of 3210)68.8 % (1677 of 2439)77.2 % (447 of 579)
Backbone73.2 % (2327 of 3180)56.5 % (609 of 1077)80.9 % (1289 of 1593)84.1 % (429 of 510)
Sidechain44.4 % (1580 of 3561)36.4 % (777 of 2133)57.9 % (787 of 1359)23.2 % (16 of 69)
Aromatic53.7 % (264 of 492)58.1 % (143 of 246)48.6 % (118 of 243)100.0 % (3 of 3)
Methyl74.5 % (474 of 636)74.8 % (238 of 318)74.2 % (236 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete4
Sequence coverage: 88.3 %, Completeness: 56.6 %, Completeness (bb): 73.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All56.6 % (4697 of 8304)43.2 % (1848 of 4280)69.2 % (2249 of 3252)77.7 % (600 of 772)
Backbone73.6 % (3120 of 4240)56.8 % (816 of 1436)81.5 % (1731 of 2124)84.3 % (573 of 680)
Sidechain44.5 % (2112 of 4748)36.1 % (1027 of 2844)58.5 % (1060 of 1812)27.2 % (25 of 92)
Aromatic52.6 % (345 of 656)56.1 % (184 of 328)48.5 % (157 of 324)100.0 % (4 of 4)
Methyl74.4 % (631 of 848)74.8 % (317 of 424)74.1 % (314 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete5
Sequence coverage: 48.3 %, Completeness: 51.8 %, Completeness (bb): 67.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All51.8 % (5381 of 10380)40.4 % (2161 of 5350)62.4 % (2535 of 4065)71.0 % (685 of 965)
Backbone67.0 % (3549 of 5300)53.6 % (963 of 1795)72.8 % (1933 of 2655)76.8 % (653 of 850)
Sidechain41.1 % (2437 of 5935)33.6 % (1193 of 3555)53.6 % (1214 of 2265)26.1 % (30 of 115)
Aromatic43.8 % (359 of 820)46.6 % (191 of 410)40.5 % (164 of 405)80.0 % (4 of 5)
Methyl67.9 % (720 of 1060)68.1 % (361 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete6
Sequence coverage: 50.0 %, Completeness: 48.7 %, Completeness (bb): 62.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All48.7 % (6063 of 12456)38.5 % (2473 of 6420)57.9 % (2823 of 4878)66.2 % (767 of 1158)
Backbone62.6 % (3981 of 6360)51.4 % (1108 of 2154)67.2 % (2141 of 3186)71.8 % (732 of 1020)
Sidechain38.8 % (2761 of 7122)31.9 % (1361 of 4266)50.3 % (1367 of 2718)23.9 % (33 of 138)
Aromatic38.9 % (383 of 984)41.5 % (204 of 492)36.0 % (175 of 486)66.7 % (4 of 6)
Methyl62.7 % (797 of 1272)62.7 % (399 of 636)62.6 % (398 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete7
Sequence coverage: 49.4 %, Completeness: 46.4 %, Completeness (bb): 59.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All46.4 % (6744 of 14532)37.6 % (2817 of 7490)54.2 % (3083 of 5691)62.5 % (844 of 1351)
Backbone59.1 % (4385 of 7420)50.1 % (1258 of 2513)62.4 % (2319 of 3717)67.9 % (808 of 1190)
Sidechain37.3 % (3103 of 8309)31.2 % (1555 of 4977)47.7 % (1514 of 3171)21.1 % (34 of 161)
Aromatic36.2 % (416 of 1148)39.2 % (225 of 574)33.0 % (187 of 567)57.1 % (4 of 7)
Methyl60.2 % (894 of 1484)60.9 % (452 of 742)59.6 % (442 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Chem. Shift Complete8
Sequence coverage: 50.0 %, Completeness: 44.4 %, Completeness (bb): 56.4 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All44.4 % (7370 of 16608)36.4 % (3118 of 8560)51.2 % (3329 of 6504)59.8 % (923 of 1544)
Backbone56.4 % (4780 of 8480)48.6 % (1396 of 2872)58.8 % (2498 of 4248)65.1 % (886 of 1360)
Sidechain35.7 % (3394 of 9496)30.2 % (1717 of 5688)45.3 % (1642 of 3624)19.0 % (35 of 184)
Aromatic33.5 % (439 of 1312)36.4 % (239 of 656)30.2 % (196 of 648)50.0 % (4 of 8)
Methyl56.5 % (959 of 1696)57.3 % (486 of 848)55.8 % (473 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

MKQSTIALAL LPLLFTPVTK ARTPE

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 301 K, pH 7, Details 300 uM [U-100% 13C; U-100% 15N] SecB, 300 uM [U-100% 13C; U-100% 15N] PhoA binding site a, 150 uM potassium chloride, 50 uM sodium phosphate, 50 uM potassium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PhoA binding site a[U-100% 13C; U-100% 15N]300 uM
2SecB[U-100% 13C; U-100% 15N]300 uM
3potassium chloridenatural abundance150 uM
4potassium phosphatenatural abundance50 uM
5sodium phosphatenatural abundance50 uM
6H2Onatural abundance90 %
7D2Onatural abundance10 %

Protein Blocks Logo
Calculated from 20 models in PDB: 5JTM, 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 ,
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: 30082 released on 2016-08-17
    Title The structure of chaperone SecB in complex with unstructured proPhoA binding site c
  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, : 1 : 8 : 3 : 1 : 99 entities Detail
Related entities 2. Alkaline phosphatase, : 1 : 1 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 11 contents Detail
Keywords Molecular chaperone