The domain within your query sequence starts at position 51 and ends at position 300; the E-value for the ECH_1 domain shown below is 1.2e-53.

RQQDGIRNIVLSNPRRRNALSLAMLKSLRSDILHEAESEDLKVIIISAEGPVFSSGHDLK
ELTDAQGRDYHAEVFQTCSEVMMLIRNHPVPILAMVNGLATAAGCQLVASCDIAVASDKS
SFATPGVNVGLFCSTPAVALGRAVPRKVALEMLFTGEPISAQEALRHGLISKVVPEEQLE
AETMRIAKKISSLSRSVVALGKATFYKQLPQDLRTAYFLASQAMVDNLALQDGQEGIEAF
IQKRKPIWSH

ECH_1

ECH_1
PFAM accession number:PF00378
Interpro abstract (IPR001753):

This family contains a diverse set of enzymes including: enoyl-CoA hydratase, napthoate synthase, carnitate racemase, 3-hydroxybutyryl-CoA dehydratase and dodecanoyl-CoA delta-isomerase.

GO process:metabolic process (GO:0008152)
GO function:catalytic activity (GO:0003824)

This is a PFAM domain. For full annotation and more information, please see the PFAM entry ECH_1