>sp|Q21CH6|DAPB_RHOPB 4-hydroxy-tetrahydrodipicolinate reductase OS=Rhodopseudomonas palustris GN=dapB MSDMRLIVAGAGGRMGRALIRAITETPGAVVAGALEAPTSALLGQDAGTLAGLPPSGVKL SADLWALSAEADGIVDFTVPEATIANVAIAAQRGMVHVIGTTGLTASDDAVISSVTSRAT VVKSGNMSLGVNLLAALVKRVARSLDDGFDIEIVEMHHKAKIDAPSGTALLLGEAAAAGR GVALAEHSIRGRDGVTGARKAGDIGFASLRGGTVTGDHTVIFAGPYERIELTHKAEDRMI FAHGALKAALWARDQGPGLYSMADVLGLSDI