Chromosome 21 open reading frame 33; D21S2048E; ES 1; ES1; Es1 protein; ES1 protein homolog mitochondrial; GT335; HES 1; HES1; Human HES1 protein homolog to E.coli and zebrafish ES1 protein; Keio novel protein I; KNP I; KNPH; KNPI; Protein GT335; Protein KNP I; ES1_HUMAN.