The domain within your query sequence starts at position 1 and ends at position 103; the E-value for the G0-G1_switch_2 domain shown below is 1.8e-46.

MESVQELIPLAKEMMAQKPRGKLVKLYVLGSVLALFGVVLGLVETVCSPFTAASRLRDQE
AAVVELREACEQQSLHKQALLAGGKAQEATLCSRALSLRQHAS

G0-G1_switch_2

G0-G1_switch_2
PFAM accession number:PF15103
Interpro abstract (IPR016821):

This group represents the G0/G1 switch protein 2 (G0S2) [ (PUBMED:1930693) ]. In humans, it promotes apoptosis by binding to BCL2, hence preventing the formation of protective BCL2-BAX heterodimers [ (PUBMED:19706769) ].

This is a PFAM domain. For full annotation and more information, please see the PFAM entry G0-G1_switch_2