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Solution Structure of the Corynebacterium diphtheriae SpaA Pilin-Signal Peptide Complex
Authors
McConnell, S.A., Clubb, R.T.
Assembly
Putative surface-anchored fimbrial subunit, SpaA sorting signal peptide
Entity
1. Putative surface-anchored fimbrial subunit, SpaA sorting signal peptide, entity 1 (polymer, Thiol state: not present), 143 monomers, 15382.24 Da Detail

ERTSIAVHAL MGLPTGQPAN GTKLDSIGLP KVDGMSFTLY RVNEIDLTTQ AGWDAASKIK LEELYTNGHP TDKVTKVATK KTEGGVAKFD NLTPALYLVV QELNGAEAVV RSQPFLVAAP QTNPTGDGWL QDVHVYPKHQ ALS


2. Putative surface-anchored fimbrial subunit, SpaA sorting signal peptide, entity 2 (polymer, Thiol state: not present), 10 monomers, 1089.241 Da Detail

KNAGFELPLT


Total weight
16471.48 Da
Max. entity weight
15382.24 Da
Source organism
Corynebacterium diphtheriae NCTC 13129 , Corynebacterium diphtheriae
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 86.7 %, Completeness (bb): 92.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All86.7 % (1504 of 1735)85.7 % (764 of 891)88.0 % (600 of 682)86.4 % (140 of 162)
Backbone92.5 % (831 of 898)94.8 % (293 of 309)91.7 % (409 of 446)90.2 % (129 of 143)
Sidechain81.6 % (797 of 977)80.4 % (468 of 582)84.6 % (318 of 376)57.9 % (11 of 19)
Aromatic57.1 % (64 of 112)60.7 % (34 of 56)51.9 % (28 of 54)100.0 % (2 of 2)
Methyl90.8 % (178 of 196)92.9 % (91 of 98)88.8 % (87 of 98)

1. entity 1

ERTSIAVHAL MGLPTGQPAN GTKLDSIGLP KVDGMSFTLY RVNEIDLTTQ AGWDAASKIK LEELYTNGHP TDKVTKVATK KTEGGVAKFD NLTPALYLVV QELNGAEAVV RSQPFLVAAP QTNPTGDGWL QDVHVYPKHQ ALS

2. entity 2

KNAGFELPLT

Sample #1

Solvent system 92% H2O, 8% D2O, Pressure 1 null, Temperature 298 K, pH 6.0, Details 1.2 mM [U-13C; U-15N] SpaA backbone pilin for protein, 1.2 mM SpaA sorting signal for peptide, 50 mM NaH2PO4, 100 mM NaCl, 0.01 % NaN3, 92% H2O, 8% D2O


#NameIsotope labelingTypeConcentration
1SpaA backbone pilin for protein[U-13C; U-15N]1.2 mM
2SpaA sorting signal for peptidenatural abundance1.2 mM
3NaH2PO4natural abundance50 mM
4NaClnatural abundance100 mM
5NaN3natural abundance0.01 %
Sample #2

Solvent system 100% D2O, Pressure 1 null, Temperature 298 K, pH 6.0, Details 1.2 mM [U-13C; U-15N] SpaA backbone pilin for protein, 1.2 mM SpaA sorting signal for peptide, 50 mM NaH2PO4, 100 mM NaCl, 0.01 % NaN3, 100% D2O


#NameIsotope labelingTypeConcentration
6SpaA backbone pilin for protein[U-13C; U-15N]1.2 mM
7SpaA sorting signal for peptidenatural abundance1.2 mM
8NaH2PO4natural abundance50 mM
9NaClnatural abundance100 mM
10NaN3natural abundance0.01 %

Release date
2020-10-14
Citation
Sortase-assembled pili in Corynebacterium diphtheriae are built using a latch mechanism
McConnell, S.A., McAllister, R.A., Amer, B.A., Mahoney, B.J., Sue, C.K., Chang, C., Ton-That, H., Clubb, R.T.
Proc. Natl. Acad. Sci. U. S. A. (2021), 118, PubMed 33723052 , DOI 10.1073/pnas.2019649118 ,
Related entities 1. Putative surface-anchored fimbrial subunit, SpaA sorting signal peptide, entity 1, : 1 : 1 : 1 : 3 entities Detail
Related entities 2. Putative surface-anchored fimbrial subunit, SpaA sorting signal peptide, entity 2, : 1 entities Detail
Experiments performed 24 experiments Detail
Chemical shift validation 4 contents Detail
Keywords CELL ADHESION, Gram-positive bacteria, backbone pilin, lysine isopeptide bond, pili, sortase