According to RefSeq (NM_003283),
This gene encodes a protein that is a subunit of troponin, which is a regulatory complex located on the thin filament of the sarcomere. This complex regulates striated muscle contraction in response to fluctuations in intracellular calcium concentration.
Obtaing a reduced HMM file
or skip these commands and use directly the whole database Pfam-A.hmm as parameter for the option [–hmm].