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Structural characterization of the type III secretion system pilotin-secretin complex InvH-InvG by NMR spectroscopy
Authors
Majewski, D.D., Okon, M., Heinkel, F., Robb, C.S., Vuckovic, M., McIntosh, L.P., Strynadka, N.C.J.
Assembly
Type 3 secretion system pilotin, Type 3 secretion system secretin
Entity
1. Type 3 secretion system pilotin, Type 3 secretion system secretin, entity 1 (polymer, Thiol state: all free), 82 monomers, 9440.546 Da Detail

GSHMDNSASK NSAISSSIFC EKYKQTKEQA LTFFQEHPQY MRSKEDEEQL MTEFKKVLLE PGSKNLSIYQ TLLAAHERLQ AL


2. Type 3 secretion system pilotin, Type 3 secretion system secretin, entity 2 (polymer, Thiol state: not present), 47 monomers, 5241.760 Da Detail

GSHMDPLTPD ASESVNNILK QSGAWSGDDK LQKWVRVYLD RGQEAIK


Total weight
14682.306 Da
Max. entity weight
9440.546 Da
Source organism
Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 96.1 %, Completeness: 87.1 %, Completeness (bb): 87.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All87.1 % (1335 of 1532)83.2 % (668 of 803)91.8 % (535 of 583)90.4 % (132 of 146)
Backbone87.2 % (668 of 766)80.4 % (209 of 260)90.0 % (343 of 381)92.8 % (116 of 125)
Sidechain87.4 % (777 of 889)83.4 % (453 of 543)94.8 % (308 of 325)76.2 % (16 of 21)
Aromatic96.4 % (108 of 112)96.4 % (54 of 56)96.3 % (52 of 54)100.0 % (2 of 2)
Methyl95.7 % (111 of 116)91.4 % (53 of 58)100.0 % (58 of 58)

1. entity 1

GSHMDNSASK NSAISSSIFC EKYKQTKEQA LTFFQEHPQY MRSKEDEEQL MTEFKKVLLE PGSKNLSIYQ TLLAAHERLQ AL

2. entity 2

GSHMDPLTPD ASESVNNILK QSGAWSGDDK LQKWVRVYLD RGQEAIK

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.5, Details 20 mM NA- MOPS, 150 mM NA- sodium chloride, 0.2 mM NA- TCEP, 10 % v/v NA- D2O, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1entity_1[U-13C; U-15N]0.5 mM
2entity_2[U-13C; U-15N]0.5 mM
3MOPSnatural abundance20 mM
4sodium chloridenatural abundance150 mM
5TCEPnatural abundance0.2 mM
6D2Onatural abundance10 % v/v
Sample #2

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 6.5, Details 20 mM NA- MOPS, 150 mM NA- sodium chloride, 0.2 mM NA- TCEP, 10 % v/v NA- D2O, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
7entity_1[U-13C; U-15N]0.5 mM
8entity_2[U-13C; U-15N]0.5 mM
9MOPSnatural abundance20 mM
10sodium chloridenatural abundance150 mM
11TCEPnatural abundance0.2 mM
12D2Onatural abundance10 % v/v

Release date
2020-06-15
Citation
Characterization of the Pilotin-Secretin Complex from the Salmonella enterica Type III Secretion System Using Hybrid Structural Methods
Majewski, D.D., Okon, M., Heinkel, F., Robb, C.S., Vuckovic, M., McIntosh, L.P., Strynadka, N.C.J.
Structure (2020), 29, 125-138, PubMed 32877645 , DOI 10.1016/j.str.2020.08.006 ,
Related entities 1. Type 3 secretion system pilotin, Type 3 secretion system secretin, entity 1, : 1 : 1 : 3 entities Detail
Related entities 2. Type 3 secretion system pilotin, Type 3 secretion system secretin, entity 2, : 2 entities Detail
Interaction partners 2. Type 3 secretion system pilotin, Type 3 secretion system secretin, entity 2, : 3 interactors Detail
Experiments performed 33 experiments Detail
Chemical shift validation 4 contents Detail
Keywords PROTEIN TRANSPORT, chaperone, pilotin, secretin, type III secretion