Structure, function and evolution of the signal recognition particle, Nagai K1, Oubridge C, Kuglstatter A, Menichelli E, Isel C, Jovine L. EMBO J. 2003 Jul 15;22(14):3479-85; doi: 10.1093/emboj/cdg337
The following Modification-Abundance (M-A) diagrams show the number of times a residue has been observed with a particular PTM in a peptide-to-spectrum match in GPMDB, as a function of the residue's position in the corresponding protein sequence. Note that the Y-axes have log scales.
Signal recognition particle | SRP receptor | TRAP complex | 
 Signal recognition particle proteins
Signal recognition particle — SRP9:p, signal recognition particle 9 [GRCh38.p12; HGNC:11304; TSL:1] (details)

Signal recognition particle — SRP14:p, signal recognition particle 14 [GRCh38.p12; HGNC:11299; TSL:1], alt: ALURBP, MGC14326 (details)

Signal recognition particle — SRP19:p, signal recognition particle 19 [GRCh38.p12; HGNC:11300; TSL:1] (details)

Signal recognition particle — SRP54:p, signal recognition particle 54 [GRCh38.p12; HGNC:11301; TSL:1] (details)

Signal recognition particle — SRP68:p, signal recognition particle 68 [GRCh38.p12; HGNC:11302; TSL:1] (details)

Signal recognition particle — SRP72:p, signal recognition particle 72 [GRCh38.p12; HGNC:11303; TSL:1] (details)

 SRP receptor proteins
SRP receptor — SRPRA:p, SRP receptor subunit alpha [GRCh38.p12; HGNC:11307; TSL:1], alt: SRP-alpha, Sralpha, SR-alpha (details)

SRP receptor — SRPRB:p, SRP receptor subunit beta [GRCh38.p12; HGNC:24085; TSL:5], alt: APMCF1, SR-beta (details)

 TRAP complex proteins
TRAP complex — SEC61A1:p, Sec61 translocon alpha 1 subunit [GRCh38.p12; HGNC:18276; TSL:1] (details)

TRAP complex — SEC61A2:p, Sec61 translocon alpha 2 subunit [GRCh38.p12; HGNC:17702; TSL:1], alt: FLJ10578 (details)

TRAP complex — SEC61B:p, Sec61 translocon beta subunit [GRCh38.p12; HGNC:16993; TSL:1] (details)

TRAP complex — SEC61G:p, Sec61 translocon gamma subunit [GRCh38.p12; HGNC:18277; TSL:1], alt: SSS1 (details)

TRAP complex — SSR1:p, signal sequence receptor subunit 1 [GRCh38.p12; HGNC:11323; TSL:1], alt: TRAPA (details)

TRAP complex — SSR2:p, signal sequence receptor subunit 2 [GRCh38.p12; HGNC:11324; TSL:1], alt: TLAP, TRAPB (details)

TRAP complex — SSR3:p, signal sequence receptor subunit 3 [GRCh38.p12; HGNC:11325; TSL:1], alt: TRAPG (details)

TRAP complex — SSR4:p, signal sequence receptor subunit 4 [GRCh38.p12; HGNC:11326; TSL:1], alt: TRAPD (details)