Table III.
Full-length ORFs and cDNA sequences of plant cation efflux family members
| Species | Gene Name | EST's GenBank gi No. | GenBank gi No. | AGI Genome Codes | Introns | Motif |
|---|---|---|---|---|---|---|
| Arabidopsis | AtMTPc1 | 906769, 2749524, 5841145, 8683092 | 3738295 | At2g47830 | (11) | CE, CSS, 5-TM |
| Arabidopsis | AtMTPc2 | 5844377 | 10092478 | At3g12100 | (8) | CE, PSS, 5-TM |
| Arabidopsis | AtMTPc3 | na | 6729549 | At3g58060 | (6) | CE, PSS, 4-TM |
| Arabidopsis | AtMTPc4 | na | 10092347 | At1g51610 | (11) | PSS, 5-TM |
| Arabidopsis | AtMTPb1 | na | 3980394 | At2g29410 | (0) | CE, CSS, 6-TM, HRR |
| Arabidopsis | AtMTPa2 | na | 7630076 | At3g58810 | (0) | CE, CSS, 6-TM, HRR |
| Arabidopsis | AtMTPa1 | na | 6899892 | At3g61940 | (0) | CE, CSS, 6-TM, HRR |
| Arabidopsis | ZAT (AtMTP1) | 2763071, 8691041, 8720027, 8720035, 5842768 | 4206640 | At2g46800 | 0 | CE, CSS, 6-TM, HRR |
| 2Thlaspi montanum var fendlerib | TmMTP1a | na | 1 | na | (0) | CE, CSS, 6-TM, HRR |
| 2T. goesingenseb | TgMTP3a | na | 1 | na | 0 | CE, CSS, 6-TM, HRR |
| 2T. goesingenseb | TgMTP2a | na | 1 | na | na | CE, CSS, 6-TM, HRR |
| 2T. goesingenseb | TgMTP1a | na | 1 | na | na | CE, CSS, 6-TM, HRR |
| Brassica juncea | BiMTP1a | na | 1 | na | (0) | CE, CSS, 6-TM, HRR |
| Thlaspi arvense | TaMTP1a | na | 1 | na | (0) | CE, CSS, 6-TM, HRR |
Genes in bold sequence derived from cDNAs. No. of introns in parentheses not confirmed from cDNAs. CE, C-terminal Cation Efflux motif (Pfam 01545, http://pfam.wustl.edu/); CSS, conserved N-terminal signature sequence SX(ASG)(LIVMT)2(SAT)(DA)(SGAL)(LIVFYA)(HDH)X3D (Paulsen and Saier, 1997); PSS, partial N-terminal signature sequence; TM (TMpred; http://www.ch.embnet.org/software/TMPRED_form.html); HRR, cytoplasmic His-rich region between transmembrane regions 4 and 5; na, not available.
a
M.W. Persans, K. Nieman, and D.E. Salt, unpublished data.
b
Metal hyperaccumulator plants.