. 2001 Jun;126(2):789–800. doi: 10.1104/pp.126.2.789

Table I.

Arabidopsis Hsp70 gene family

Proposed Name	Original Name	Subcellular Location	No. of Amino Acids	Introns	GenBank Accession No.	Clone Type	Reference
Hsc70-1	At-Hsc70-1	Cytosol	651	1	AL162971	BAC	Bevan et al. (2000b)^a
	Hsp70-1				X74604	cDNA	Wu et al. (1994)
Hsc70-2	Hsp70-2	Cytosol	653	1	AL162971	BAC	Bevan et al. (2000b)^a
Hsc70-3	At-Hsc70-3	Cytosol	649	1	AC011436	BAC	Lin et al. (1999)^a
	Hsp70-3				Y17053	cDNA	Hsieh et al. (1998)
Hsp70	Hsp70	Cytosol	650	1	AP002055	BAC	Nakamura (2000)^a
					AJ002551	cDNA	Hinderhofer et al. (1998)^a
Hsp70b	–	Cytosol	646	0	AC010924	BAC	Liu et al. (1999)^a
BiP-1	–	ER lumen	669	5	AF262043	BAC	Wilson (2000)^a
					D89341	Genomic	Koizumi and Sano (1997)
BiP-2	–	ER lumen	668	5	AB017067	BAC	Nakamura (1999)^a
					D89342	Genomic	Koizumi and Sano (1997)
BiP-3	–	ER lumen	659	4	AC000106	BAC	Osborne et al. (1997)^a
mtHsc70-1	–	Mitochondrion matrix	666	5	AL035538	BAC	Bevan et al. (1999b)^a
mtHsc70-2	Hsc70-5	Mitochondrion matrix	682	5	AL353994	BAC	Bevan et al. (2000a)^a
					AF217458	cDNA	Vierling et al. (2000)^a
cpHsc70-1	–	Plastid stroma	718	7	AL078637	BAC	Bevan et al. (1999a)^a
cpHsc70-2	Hsc70-7	Plastid stroma	718	7	AB024032	TAC	Nakamura (1999)^a
					AF217459	cDNA	Sung et al. (2000)^a
Hsp70t-1	–	Unknown	617	1	AC058785	BAC	Lin et al. (2000)^a
Hsp70t-2	–	Unknown	563	0	AC006223	BAC	Lin et al. (2000)^a

The sequences for BiP-3, Hsp70t-1, and Hsp70t-2 were identified from database searches after RT-PCR analyses were completed. The nucleotide sequence for BiP-3 is quite divergent from BiP-1 and BiP-2. However, their amino acid sequences showed remarkably high homology. Hsp70t-1 (617 amino acids) and Hsp70t-2 (563 amino acids) are truncated at their C-terminal ends and their subcellular localizations have not been determined. BAC, Bacterial artificial chromosome; TAC, transformation-competent artificial chromosome.

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