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NMR solution structure of Nak1 from the Necator americanus hookworm
Authors
Smallwood, T.B., Rosengren, K.J., Clark, R.J.
Assembly
ShTK domain protein
Entity
1. ShTK domain protein (polymer, Thiol state: all disulfide bound), 40 monomers, 4369.148 Da Detail

CRDRIPQNVC EQMKKNGKCG DPRMSTIAEL QCPKTCGKCX


Formula weight
4369.148 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS1:SG1:CYS39:SG
2disulfidesing1:CYS10:SG1:CYS32:SG
3disulfidesing1:CYS19:SG1:CYS36:SG

Source organism
Necator americanus
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.5 %, Completeness: 86.9 %, Completeness (bb): 82.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All86.9 % (390 of 449)94.6 % (229 of 242)73.6 % (120 of 163)93.2 % (41 of 44)
Backbone82.0 % (187 of 228)98.7 % (77 of 78)67.5 % (77 of 114)91.7 % (33 of 36)
Sidechain93.0 % (239 of 257)92.7 % (152 of 164)92.9 % (79 of 85)100.0 % (8 of 8)
Methyl100.0 % (22 of 22)100.0 % (11 of 11)100.0 % (11 of 11)

1. entity 1

CRDRIPQNVC EQMKKNGKCG DPRMSTIAEL QCPKTCGKCX

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 3.5, Details 1 mg/mL Nak1, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1Nak1natural abundance1 mg/mL

Release date
2021-01-07
Citation
Synthetic hookworm-derived peptides are potent modulators of primary human immune cell function that protect against experimental colitis in vivo
Smallwood, T.B., Navarro, S., Cristofori-Armstrong, B., Watkins, T.S., Tungatt, K., Ryan, R., Haigh, O.L., Lutzky, V.P., Mulvenna, J.P., Rosengren, K.J., Loukas, A., Miles, J.J., Clark, R.J.
J. Biol. Chem. (2021), 297, 100834-100834, PubMed 34051231 , DOI 10.1016/j.jbc.2021.100834 ,
Related entities 1. ShTK domain protein, : 1 : 22 entities Detail
Experiments performed 5 experiments Detail
Chemical shift validation 3 contents Detail
Keywords IMMUNE SYSTEM