EC Number |
Protein Variants |
Reference |
---|
4.2.2.21 | E608A |
the mutant does not show detectable activity on either chondroitin 6-sulfate or dermatan sulfate |
704643 |
4.2.2.21 | E628D |
mutant shows no activity |
690969, 692529 |
4.2.2.21 | E628Q |
Km (mM) (chondroitin sulfate A) 0.158, (chondroitin sulfate C) 0.035, kcat (1/sec) (chondroitin sulfate A) 10.38, (chondroitin sulfate B) 4.41, no activity toward dermatan sulfate |
690969 |
4.2.2.21 | E653A |
no enzymic activity |
663950, 663965 |
4.2.2.21 | E653D |
no enzymic activity |
663965 |
4.2.2.21 | E653Q |
5fold increase in Km-value |
663965 |
4.2.2.21 | H344A |
Km (mM) (chondroitin sulfate A) 0.202, (chondroitin sulfate C) 0.134, kcat (1/sec) (chondroitin sulfate A) 92.66, (chondroitin sulfate B) 35.71, no activity toward dermatan sulfate |
692529 |
4.2.2.21 | H344D |
mutant shows no activity |
690969 |
4.2.2.21 | H344E |
mutant shows no activity |
690969 |
4.2.2.21 | H344N |
Km (mM) (chondroitin sulfate A) 0.039, (chondroitin sulfate C) 0.084, (dermatan sulfate) 0.09, kcat (1/sec) (chondroitin sulfate A) 42.2, (chondroitin sulfate B) 18.7, (dermatan sulfate) 9.06 |
690969 |