Y. R. Yang

A correlative study of ultrasound with serology in an area in China co-endemic for human alveolar and cystic echinococcosis (2007)

Yang, Y. R., Craig, P. S., Ito, A., Vuitton, D. A., Giraudoux, P., Sun, T., ...

We correlated ultrasound (US) imaging classifications for human alveolar echinococcosis (AE) and cystic echinococcosis (CE) with serology (ELISA and immunoblotting (IB) incorporating native and...

A correlative study of ultrasound with serology in an area in China co-endemic for human alveolar and cystic echinococcosis (2007)

Yang, Y. R., Craig, P. S., Ito, A., Vuitton, D. A., Giraudoux, P., Sun, T., ...

We correlated ultrasound (US) imaging classifications for human alveolar echinococcosis (AE) and cystic echinococcosis (CE) with serology (ELISA and immunoblotting (IB) incorporating native and...

Molecular Confirmation of a Case of Multiorgan Cystic Echinococcosis (2006)

Y. R. Yang, T. Sun, J. Z. Zhang, D. P. McManus

Survival strategy of Echinococcus multilocularis in the human host (2006)

Vuitton, D. A., Zhang, S. L., Yang, Y. R., Godot, V., Beurton, I., Mantion, G., ...

As exemplified by aborted calcified liver lesions commonly found in patients from endemic areas, Echinococcus multilocularis metacestodes develop only in a minority of individuals exposed to...

Rigidity, Computation, and Randomization in Network Localization (2004)

T. Eren, D. K. Goldenberg, W. Whiteley, Y. R. Yang

In this paper we provide a theoretical foundation for the problem of network localization in which some nodes know their locations and other nodes determine their locations by measuring the distances...

Aspartate transcarbamoylase containing circularly permuted catalytic polypeptide chains.

Yang, Y R, Schachman, H K

Based on the demonstration that active enzyme is formed in vitro and in vivo from polypeptide fragments of the catalytic chains of aspartate transcarbamoylase (ATCase; EC 2.1.3.2) and the evidence...

Location of amino acid alterations in mutants of aspartate transcarbamoylase: Structural aspects of interallelic complementation.

Schachman, H K, Pauza, C D, Navre, M, Karels, M J, Wu, L, Yang, Y R

Recent genetic studies of the pyrB locus of Escherichia coli resulted in the characterization of 29 mutant strains harboring defects in the structural gene that encodes the catalytic chains of...

Communication between catalytic subunits in hybrid aspartate transcarbamoylase molecules: effect of ligand binding to active chains on the conformation of unliganded, inactive chains.

Yang, Y R, Schachman, H K

In the regulatory enzyme aspartate transcarbamoylase (aspartate carbamoyltransferase; carbamoylphosphate:L-aspartate carbamoyltransferase, EC 2.1.3.2) of Escherichia coli, the six catalytic...

Effect of amino acid substitutions on the catalytic and regulatory properties of aspartate transcarbamoylase.

Robey, E A, Wente, S R, Markby, D W, Flint, A, Yang, Y R, Schachman, H K

Although intensive investigations have been conducted on the allosteric enzyme, aspartate transcarbamoylase, which catalyzes the first committed reaction in the biosynthesis of pyrimidines in...

Aspartate Transcarbamoylase Molecules Lacking One Regulatory Subunit

Yang, Y. R., Syvanen, J. M., Nagel, G. M., Schachman, H. K.

Reconstitution of aspartate transcarbamoylase (EC 2.1.3.2) from dilute solutions of the isolated regulatory and catalytic subunits, with the latter in large excess, led to the formation of...

Aspartate transcarbamoylase containing circularly permuted catalytic polypeptide chains.

Yang, Y R, Schachman, H K

Based on the demonstration that active enzyme is formed in vitro and in vivo from polypeptide fragments of the catalytic chains of aspartate transcarbamoylase (ATCase; EC 2.1.3.2) and the evidence...

Location of amino acid alterations in mutants of aspartate transcarbamoylase: Structural aspects of interallelic complementation.

Schachman, H K, Pauza, C D, Navre, M, Karels, M J, Wu, L, Yang, Y R

Recent genetic studies of the pyrB locus of Escherichia coli resulted in the characterization of 29 mutant strains harboring defects in the structural gene that encodes the catalytic chains of...

Communication between catalytic subunits in hybrid aspartate transcarbamoylase molecules: effect of ligand binding to active chains on the conformation of unliganded, inactive chains.

Yang, Y R, Schachman, H K

In the regulatory enzyme aspartate transcarbamoylase (aspartate carbamoyltransferase; carbamoylphosphate:L-aspartate carbamoyltransferase, EC 2.1.3.2) of Escherichia coli, the six catalytic...

Effect of amino acid substitutions on the catalytic and regulatory properties of aspartate transcarbamoylase.

Robey, E A, Wente, S R, Markby, D W, Flint, A, Yang, Y R, Schachman, H K

Although intensive investigations have been conducted on the allosteric enzyme, aspartate transcarbamoylase, which catalyzes the first committed reaction in the biosynthesis of pyrimidines in...

Aspartate Transcarbamoylase Molecules Lacking One Regulatory Subunit

Yang, Y. R., Syvanen, J. M., Nagel, G. M., Schachman, H. K.

Reconstitution of aspartate transcarbamoylase (EC 2.1.3.2) from dilute solutions of the isolated regulatory and catalytic subunits, with the latter in large excess, led to the formation of...

In vivo formation of active aspartate transcarbamoylase from complementing fragments of the catalytic polypeptide chains.

Yang, Y. R., Schachman, H. K.

Despite the complexity of Escherichia coli aspartate transcarbamoylase (ATCase), composed of 12 polypeptide chains organized as two catalytic (C) trimers and three regulatory (R) dimers, it is...

Reconstitution of active catalytic trimer of aspartate transcarbamoylase from proteolytically cleaved polypeptide chains.

Powers, V. M., Yang, Y. R., Fogli, M. J., Schachman, H. K.

Treatment of the catalytic (C) trimer of Escherichia coli aspartate transcarbamoylase (ATCase) with alpha-chymotrypsin by a procedure similar to that used by Chan and Enns (1978, Can. J. Biochem. 56,...