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Table 1 TRAPP subunit conservation:

From: Conservation of the TRAPPII-specific subunits of a Ypt/Rab exchanger complex

S. cerivisiae Subunit

(#amino acids)1

Human Subunit

(# amino acids)1

Essential in

S. cerivisiae

Comments1

TRAPP I/II:

   

Bet3

(193)

hBet3/TRAPPC3

(180)

+

Bet3 family2

Trs31

(283)

TRAPPC5

(188)

+

Bet3 family2

Trs33

(268)

TRAPPC6 A&B

(173, 130)

--

Bet3 family2

Bet5

(159)

TRAPPC1/MUM2

(145)

+

Bet5 family2

Expression of Ag peptides in melanoma

Trs20

(175)

TRAPPC2/SEDL

(140)

+

Bet5 family2

Associated w/bone formation & SEDT

Trs23

(219)

TRAPPC4/Synbindin

(219)

+

Bet5 family2

Associated with postsynaptic structures

Trs85/Gsg1

(698)

--

--

Required for late sporulation, vt autophagy pathway in S. cerivisiae

TRAPP II:

   

Trs120

(1289)

NIBP

(1246)

+

21% identity in 377 match length; Implicated in NF-kappaB signaling, & neuro-degenerative disorders

Trs130

(1102)

TMEM1/EHOC1

(1259)

+

20% identity in 327 match length; Proposed similarity to sodium channels; Candidate for certain epilepsy and autoimmune disorders

Trs65/Kre11

(560)

--

--

Important for cell wall biogenesis in S. cerivisiae

  1. 1 Information from Incyte Genomic and SGD Databases, 7/3/06
  2. 2 Bet3 and Bet5 families was defined based on sequence and structure similarities [17, 52].