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Solution structure of Zmp1, a zinc-dependent metalloprotease secreted by Clostridium difficile
Authors
Banci, L., Cantini, F., Scarselli, M., Rubino, J.T., Martinelli, M.
Assembly
Zmp1
Entity
1. Zmp1 (polymer, Thiol state: all free), 195 monomers, 21601.01 Da Detail

GDSTTIQQNK DTLSQIVVFP TGNYDKNEAN AMVNRLANID GKYLNALKQN NLKIKLLSGK LTDEKEYAYL KGVVPKGWEG TGKTWDDVPG LGGSTVALRI GFSNKGKGHD AINLELHETA HAIDHIVLND ISKSAQFKQI FAKEGRSLGN VNYLGVYPEE FFAESFAYYY LNQDTNSKLK SACPQTYSFL QNLAK


2. ZINC ION (non-polymer), 65.409 Da
3. WATER (water), 18.015 Da
Total weight
21666.418 Da
Max. entity weight
21601.01 Da
Entity Connection
na 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1nasing1:GLU160:OE12:ZN1:ZN
2nasing1:HIS121:NE22:ZN1:ZN
3nasing1:HIS117:NE22:ZN1:ZN
4nasing2:ZN1:ZN3:HOH1:O

Source organism
Clostridioides difficile
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 94.4 %, Completeness (bb): 95.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All94.4 % (2156 of 2284)95.4 % (1131 of 1185)91.8 % (809 of 881)99.1 % (216 of 218)
Backbone95.2 % (1104 of 1160)96.8 % (389 of 402)92.8 % (527 of 568)98.9 % (188 of 190)
Sidechain94.4 % (1229 of 1302)94.8 % (742 of 783)93.5 % (459 of 491)100.0 % (28 of 28)
Aromatic77.5 % (155 of 200)85.0 % (85 of 100)69.4 % (68 of 98)100.0 % (2 of 2)
Methyl96.7 % (205 of 212)94.3 % (100 of 106)99.1 % (105 of 106)

1. Zmp1

GDSTTIQQNK DTLSQIVVFP TGNYDKNEAN AMVNRLANID GKYLNALKQN NLKIKLLSGK LTDEKEYAYL KGVVPKGWEG TGKTWDDVPG LGGSTVALRI GFSNKGKGHD AINLELHETA HAIDHIVLND ISKSAQFKQI FAKEGRSLGN VNYLGVYPEE FFAESFAYYY LNQDTNSKLK SACPQTYSFL QNLAK

Sample

Solvent system 90% H2O/10% D2O, Temperature 298 K, pH 7.2


#NameIsotope labelingTypeConcentration
1Zmp1[U-100% 15N]0.6 (±0.2) mM
2Zmp1[U-99% 13C; U-99% 15N]0.5 (±0.2) mM
3Zmp1natural abundance1 (±0.2) mM
4Hepesnatural abundance20 mM
5H2Onatural abundance90 %
6D2Onatural abundance10 %

LACS Plot; CA
Referencing offset: -0.31 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.31 ppm, Outliers: 1 Detail
LACS Plot; HA
Referencing offset: 0.06 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -0.05 ppm, Outliers: 1 Detail
Protein Blocks Logo
Calculated from 20 models in PDB: 2N6J, Strand ID: A Detail


Release date
2016-01-10
Citation
Structural characterization of zinc-bound Zmp1, a zinc-dependent metalloprotease secreted by Clostridium difficile
Rubino, J.T., Martinelli, M., Cantini, F., Banci, L., Scarselli, M.
J. Biol. Inorg. Chem. (2015), 21, 185-196, PubMed 26711661 , DOI 10.1007/s00775-015-1319-6 ,
Related entities 1. Zmp1, : 1 : 7 : 17 entities Detail
Experiments performed 11 experiments Detail
nullKeywords NMR, clostridium, protease, vaccine, zinc