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RB0260

Gene
RB0260
Protein
Trans-3-hydroxy-L-proline dehydratase
Organism
Rhizobium meliloti (strain 1021)
Length
342 amino acids
Function
Catalyzes the dehydration of trans-3-hydroxy-L-proline (t3LHyp) to Delta(1)-pyrroline-2-carboxylate (Pyr2C). Can also catalyze the epimerization of trans-4-hydroxy-L-proline (t4LHyp) to cis-4-hydroxy-D-proline (c4DHyp), albeit with 150-fold lower efficiency. May be involved in the degradation pathway that converts t3LHyp to L-proline, which would allow R.meliloti to grow on t3LHyp as a sole carbon source. Displays no proline racemase activity.
Similarity
Belongs to the proline racemase family.
Mass
36.694 kDa
Sequence
MRSTKTIHVISAHAEGEVGDVIVGGVAPPPGDTIWEQSRWIAREQTLRNFVLNEPRGGVFRHVNLLVPPKHPDADAAFIIMEPEDTPPMSGSNSICVSTVLLDSGILPMKEPVTEITLEAPGGLVRVRAECRDGKAERIFVENLPSFAERLDAKLEVEGLGTLTVDTAYGGDSFVIVDAAAMGFALKPDEAHDIARLGVRITNAANAKLGFHHPENPDWRHFSFCLFAGPVERTAEGLRAGAAVAIQPGKVDRSPTGTALSARMAVLHARGQMGLSDRLTAVSLIGSTFSGRILGTTEVGGRPAVLPEISGRAWITGTHQHMLDPSDPWPEGYRLTDTWGAR