HUMAN VH1-RELATED DUAL-SPECIFICITY PHOSPHATASE

4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID

Crystal structure of the dual specificity protein phosphatase VHR.

The Purification and Characterization of a Human Dual-Specific Protein Tyrosine Phosphatase

The Catalytic Role of Cys124 in the Dual Specificity Phosphatase Vhr

Expression Cloning of a Human Dual-Specificity Phosphatase

HUMAN VH1-RELATED DUAL-SPECIFICITY PHOSPHATASE VHR

SGSFELSVQDLNDLLSDGSGCYSLPSQPCNEVTPRIYVGNASVAQDIPKLQKLGITHVLNAAEGRSFMHVNTNANFYKDS
GITYLGIKANDTQEFNLSAYFERAADFIDQALAQKNGRVLVHCREGYSRSPTLVIAYLMMRQKMDVKSALSIVRQNREIG
PNDGFLAQLCQLNDRLAKEGKLKP

ORIGINAL GENE GDB\:DUSP3; VHR, CHROMOSOME MAP POSITION 17Q21

THE FULL-LENGTH VHR (RESIDUES 2 - 185) WAS CRYSTALLIZED AT A CONCENTRATION OF 5-6 MG/ML WITH 14% POLYETHYLENE GLYCOL 4000, 22.5 MM LITHIUM SULFATE, 50 MM HEPES PH 7.0, AND 0.05% BETA-MERCAPTOETHANOL IN A HANGING DROP OF 20 MICROLITERS. THE DROP WAS EQUILIBRATED AGAINST 1 ML OF TWICE THE CONCENTRATION OF PRECIPITANT SOLUTION AT 23 DEGREE CELSIUS., vapor diffusion - hanging drop, temperature 296K

MIR SOFTWARE USED : PHASES STARTING MODEL FOR MOLECULAR REPLACEMENT: NULL

HYDROLASE, PROTEIN DUAL-SPECIFICITY PHOSPHATASE

MSGSFELSVQDLNDLLSDGSGCYSLPSQPCNEVTPRIYVGNASVAQDIPKLQKLGITHVLNAAEGRSFMHVNTNANFYKD
SGITYLGIKANDTQEFNLSAYFERAADFIDQALAQKNGRVLVHCREGYSRSPTLVIAYLMMRQKMDVKSALSIVRQNREI
GPNDGFLAQLCQLNDRLAKEGKLKP

DESIGNATED RECOGNITION REGION IN PRIMARY REFERENCE. PROPOSED TO AFFECT SUBSTRATE SPECIFICITY.

THE REGION CONTAINING HIGH VARIATION AMONG THE DUAL-SPECIFICITY PHOSPHATASES AND THE PROTEIN TYROSINE PHOSPHATASES.

THE LOOP CONTAINING THE PUTATIVE GENERAL ACID ASP 92.

PHOSPHATE BINDING LOOP INCLUDING CATALYTIC NUCLEOPHILE CYS 130