What protein has this sequence IEESQFAIVVFSENY?

TMV resistance protein N-tobacco

What species did it come from?

Nicotiana glutinosa

The other species that has a high degree of sequence similarity is resistance protein RPP5 in Arabidopsis thaliana. The evidence follows: (the explanation of this evidence is on my written portion of the test):

Reference: Altschul, Stephen F., Warren Gish, Webb Miller, Eugene W. Myers, and David J. Lipman (1990). Basic local alignment search tool. J. Mol. Biol. 215:403-10.

Query= tmpseq_1 (15 letters)

Database: Non-redundant GenBank CDS translations+PDB+SwissProt+SPupdate+PIR 295,090 sequences; 88,655,441 total letters. Searching..................................................done

Smallest Sum High Probability Sequences producing High-scoring Segment Pairs: Score P(N) N

pir||A54810 TMV resistance protein N - tobacco (Nico... 73 0.013 1

gnl|PID|e1250343 (AL021768) resistance protein RPP5 - lik... 57

pir||A54810 TMV resistance protein N - tobacco (Nicotiana glutinosa) gi|558887 (U15605) N [Nicotiana glutinosa] Length = 1144

Score = 73 (33.5 bits),

Expect = 0.013, P = 0.013

Identities = 15/15 (100%),

Positives = 15/15 (100%)

Query: 1 IEESQFAIVVFSENY 15

Sbjct: 63 IEESQFAIVVFSENY 77

gnl|PID|e1250343 (AL021768) resistance protein RPP5 - like [Arabidopsis thaliana] Length = 1715

Score = 57 (26.2 bits),

Expect = 2.1, P = 0.88

Identities = 11/15 (73%),

Positives = 13/15 (86%)

Query: 1 IEESQFAIVVFSENY 15