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NMR processing:
MDD
NMR assignment:
Backbone:
Autoassign
MARS
UNIO Match
PINE
Side-chains:
UNIO ATNOS-Ascan
NOEs:
UNIO ATNOS-Candid
UNIO Candid
ASDP
Structure from NMR restraints:
Ab initio:
GeNMR
Cyana
XPLOR-NIH
ASDP
UNIO ATNOS-Candid
UNIO Candid
Fragment-based:
BMRB CS-Rosetta
Rosetta-NMR (Robetta)
Template-based:
GeNMR
I-TASSER
Refinement:
Amber
Structure from chemical shifts:
Fragment-based:
WeNMR CS-Rosetta
BMRB CS-Rosetta
Homology-based:
CS23D
Simshift
Torsion angles from chemical shifts:
Preditor
TALOS
Promega- Proline
Secondary structure from chemical shifts:
CSI (via RCI server)
TALOS
MICS caps, β-turns
d2D
PECAN
Flexibility from chemical shifts:
RCI
Interactions from chemical shifts:
HADDOCK
Chemical shifts re-referencing:
Shiftcor
UNIO Shiftinspector
LACS
CheckShift
RefDB
NMR model quality:
NOEs, other restraints:
PROSESS
PSVS
RPF scores
iCing
Chemical shifts:
PROSESS
CheShift2
Vasco
iCing
RDCs:
DC
Anisofit
Pseudocontact shifts:
Anisofit
Protein geomtery:
Resolution-by-Proxy
PROSESS
What-If
iCing
PSVS
MolProbity
SAVES2 or SAVES4
Vadar
Prosa
ProQ
MetaMQAPII
PSQS
Eval123D
STAN
Ramachandran Plot
Rampage
ERRAT
Verify_3D
Harmony
Quality Control Check
NMR spectrum prediction:
FANDAS
MestReS
V-NMR
Flexibility from structure:
Backbone S2
Methyl S2
B-factor
Molecular dynamics:
Gromacs
Amber
Antechamber
Chemical shifts prediction:
From structure:
Shiftx2
Sparta+
Camshift
CH3shift- Methyl
ArShift- Aromatic
ShiftS
Proshift
PPM
CheShift-2- Cα
From sequence:
Shifty
Camcoil
Poulsen_rc_CS
Disordered proteins:
MAXOCC
Format conversion & validation:
CCPN
From NMR-STAR 3.1
Validate NMR-STAR 3.1
NMR sample preparation:
Protein disorder:
DisMeta
Protein solubility:
camLILA
ccSOL
Camfold
camGroEL
Zyggregator
Isotope labeling:
UPLABEL
Solid-state NMR:
sedNMR


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Default NMR-based urinalysis for beta-ketothiolase deficiency.

NMR-based urinalysis for beta-ketothiolase deficiency.

Related Articles NMR-based urinalysis for beta-ketothiolase deficiency.

Clin Chim Acta. 2014 Sep 3;

Authors: Law CY, Lam CW, Ching CK, Yau KC, Ho TW, Lai CK, Mak CM


Abstract
BACKGROUND: Beta-ketothiolase deficiency is a rare inborn errors of metabolism (IEM) affecting the catabolism of isoleucine, characterized by severe ketoacidosis in children of 6 to 24months old. A prompt diagnosis is of paramount importance as the metabolic decompensation can be effectively reverted by glucose infusion and health outcomes are improved on a protein-restricted diet. Currently, majority of the laboratory diagnosis were made based on mass-spectrometry and molecular genetics whilst little is mentioned on the advancement of nuclear magnetic resonance (NMR) spectroscopy for the diagnosis of this condition.
CASE: We report a case of beta-ketothiolase deficiency in a 1-y-old Chinese boy who presented with repeated vomiting, impaired consciousness and severe ketoacidosis. NMR urinalysis detected excessive amount of butanone (a disease specific marker of beta-ketothiolase deficiency), tiglylglycine, (intermediate of isoleucine catabolism) and ketones. Diagnosis of beta-ketothiolase deficiency was further established by molecular genetic studies of ACAT1 gene of the proband.
CONCLUSIONS: This case illustrated NMR-based urinalysis is complementary to organic acid analysis for diagnosis of beta-ketothiolase deficiency. The operation of NMR is simple and fast; sample preparation is a two-step procedure while the NMR acquisition is automatic and usually takes
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