Table 1.

Identified sites containing EGS-derived modifications.

Protein	Position	Peptide	Structural feature	Identification (#)a (% of total counts)
Stomatin	9–25	DSEAQRLPDSFKDSPSK	N-terminus	1 (1%)
	15–25	LPDSFKDSPSK	N-terminus	24 (25%)
	56–62	IIKEYER	CRAC motif b	5 (5%)
	196–205	DVKLPVQLQR	β6c	2 (2%)
	219–232	AKVIAAGEMNASR	α5c	64 (67%)
Band 3	346–360	RYQSSPAKPDSSFYK	N-terminal domain	2 (9%)
	347–360	YQSSPAKPDSSFYK	N-terminal domain	12 (52%)
	591–600	FKNSSYFPGK	Loop TM6–7	3 (13%)
	593–602	NSSYFPGKLR	Loop TM6–7	2 (9%)
	731–743	SVTHANALTVMGK	Loop TM9–10	3 (13%)
	818–827	YHPDVPYVKR	Loop TM11–12	1 (4%)
GLUT1	224–229	AKSVLK	Loop TM6–7	3 (30%)
	224–230	AKSVLKK	Loop TM6–7	6 (60%)
	226–232	SVLKKLR	Loop TM6–7	1 (10%)
UT1	362–374	MPLSKVTYPEENR	C-terminus	1
	375–382	IFYLQAKK	C-terminus	1
Flot1	169–177	TAQVQKDAR	α5-equivalentc	1 (20%)
	178–185	IGEAEAKR	α5-equivalentc	3 (60%)
	245–253	TKQQIEEQR	Coiled-coil	1 (20%)
Flot2	278–287	TDKELIATVR	Coiled-coil	1
RhCE	2–7	SSKYPR	N-terminus	2

^aSignal counts of identified peptides.

^bCholesterol recognition/interaction amino acid consensus.

^cRefers to P. horikoshii stomatin structure [21].