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Crystal Polymorphism of GB1 Examined by Solid-State NMR Spectroscopy and X-ray Diffraction
Authors
Frericks-Schmidt, H.L., Sperling, L.J., Gao, Y., Wylie, B.J., Boettcher, J.M., Wilson, S.R., Rienstra, C.M.
Assembly
GB1
Entity
1. GB1 (polymer, Thiol state: not present), 56 monomers, 6222.757 Da Detail

MQYKLILNGK TLKGETTTEA VDAATAEKVF KQYANDNGVD GEWTYDDATK TFTVTE


Formula weight
6222.757 Da
Source organism
Streptococcus sp. 'group G'
Exptl. method
solid-state NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete1
Sequence coverage: 100.0 %, Completeness: 92.9 %, Completeness (bb): 100.0 % Detail

Polymer type: polypeptide(L)

Total13C15N
All92.9 % (288 of 310)91.1 % (226 of 248)100.0 % (62 of 62)
Backbone100.0 % (220 of 220)100.0 % (164 of 164)100.0 % (56 of 56)
Sidechain84.5 % (120 of 142)83.8 % (114 of 136)100.0 % (6 of 6)
Aromatic21.4 % (6 of 28)18.5 % (5 of 27)100.0 % (1 of 1)
Methyl100.0 % (32 of 32)100.0 % (32 of 32)

1. GB1

MQYKLILNGK TLKGETTTEA VDAATAEKVF KQYANDNGVD GEWTYDDATK TFTVTE

Sample

Solvent system microcrystals in excess motherliquor, Pressure 1 atm, Details Prepared using batch crystallization conditions with a protein solution of 10 mg/mL of GB1 in 50 mM sodium phosphate buffer (pH=5.5) and a reservoir solution of 55% MPD, 15% IPA and 50 mM NaCl in 7.5 mM sodium acetate buffer (pH=4.5)


#NameIsotope labelingTypeConcentration
1GB1[U-100% 13C; U-100% 15N]15 mg

Chem. Shift Complete2
Sequence coverage: 100.0 %, Completeness: 91.9 %, Completeness (bb): 100.0 % Detail

Polymer type: polypeptide(L)

Total13C15N
All91.9 % (570 of 620)90.1 % (447 of 496)99.2 % (123 of 124)
Backbone100.0 % (440 of 440)100.0 % (328 of 328)100.0 % (112 of 112)
Sidechain82.4 % (234 of 284)82.0 % (223 of 272)91.7 % (11 of 12)
Aromatic10.7 % (6 of 56) 9.3 % (5 of 54)50.0 % (1 of 2)
Methyl100.0 % (64 of 64)100.0 % (64 of 64)

1. GB1

MQYKLILNGK TLKGETTTEA VDAATAEKVF KQYANDNGVD GEWTYDDATK TFTVTE

Sample

Solvent system microcrystals in excess motherliquor, Pressure 1 atm, Details Prepared using batch crystallization conditions with a protein solution of 10 mg/mL of GB1 in 50 mM sodium phosphate buffer (pH=5.5) and a reservoir solution of 55% MPD, 25% IPA and 150 mM NaCl in 16.7 mM sodium acetate buffer (pH=4.5)


#NameIsotope labelingTypeConcentration
2GB1[U-99% 13C; U-99% 15N]17 mg

LACS Plot; CA
Referencing offset: -0.03 ppm, Outliers: 1 Detail
LACS Plot; CB
Referencing offset: -0.03 ppm, Outliers: 1 Detail
LACS Plot; CO
Referencing offset: -0.25 ppm, Outliers: 2 Detail
Release date
2016-10-10
Citation
Crystal polymorphism of protein GB1 examined by solid-state NMR spectroscopy and X-ray diffraction
Frericks-Schmidt, H.L., Sperling, L.J., Gao, Y., Wylie, B.J., Boettcher, J.M., Wilson, S.R., Rienstra, C.M.
J. Phys. Chem. B (2007), 111, 14362-14369, PubMed 18052145 , DOI 10.1021/jp075531p ,
Related entities 1. GB1, : 1 : 20 : 2 : 47 : 38 entities Detail
Interaction partners 1. GB1, : 1 interactors Detail
Experiments performed 12 experiments Detail
Chemical shift validation 4 contents Detail
Keywords formulation chemistry, polymorphism, protein x-ray powder diffractio, single crystal diffraction, solid-state NMR, therapeutic proteins