2J9I

Lengsin is a survivor of an ancient family of class I glutamine synthetases in eukaryotes that has undergone evolutionary re- engineering for a tissue-specific role in the vertebrate eye lens.

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0003824	molecular_function	catalytic activity
A	0004356	molecular_function	glutamine synthetase activity
A	0006542	biological_process	obsolete glutamine biosynthetic process
B	0003824	molecular_function	catalytic activity
B	0004356	molecular_function	glutamine synthetase activity
B	0006542	biological_process	obsolete glutamine biosynthetic process
C	0003824	molecular_function	catalytic activity
C	0004356	molecular_function	glutamine synthetase activity
C	0006542	biological_process	obsolete glutamine biosynthetic process
D	0003824	molecular_function	catalytic activity
D	0004356	molecular_function	glutamine synthetase activity
D	0006542	biological_process	obsolete glutamine biosynthetic process
E	0003824	molecular_function	catalytic activity
E	0004356	molecular_function	glutamine synthetase activity
E	0006542	biological_process	obsolete glutamine biosynthetic process
F	0003824	molecular_function	catalytic activity
F	0004356	molecular_function	glutamine synthetase activity
F	0006542	biological_process	obsolete glutamine biosynthetic process
G	0003824	molecular_function	catalytic activity
G	0004356	molecular_function	glutamine synthetase activity
G	0006542	biological_process	obsolete glutamine biosynthetic process
H	0003824	molecular_function	catalytic activity
H	0004356	molecular_function	glutamine synthetase activity
H	0006542	biological_process	obsolete glutamine biosynthetic process
I	0003824	molecular_function	catalytic activity
I	0004356	molecular_function	glutamine synthetase activity
I	0006542	biological_process	obsolete glutamine biosynthetic process
J	0003824	molecular_function	catalytic activity
J	0004356	molecular_function	glutamine synthetase activity
J	0006542	biological_process	obsolete glutamine biosynthetic process
K	0003824	molecular_function	catalytic activity
K	0004356	molecular_function	glutamine synthetase activity
K	0006542	biological_process	obsolete glutamine biosynthetic process
L	0003824	molecular_function	catalytic activity
L	0004356	molecular_function	glutamine synthetase activity
L	0006542	biological_process	obsolete glutamine biosynthetic process