Table 1.

Human EXT family

Gene	Chromosomal location	Amino acid	Sequence identity with EXTL3 (%) [9]	mRNA accession number	MIM number
EXT1	8q24.11	746	26	NM_000127	133,700 215,300 608,177
EXT2	11p11.2	751	29	NM_000401	133,701 608,210 616,682
EXTL1	1p36.11	676	23	NM_004455	601,738
EXTL2	1p21.2	330	26	NM_001439	602,411
EXTL3	8p21.1	919	–	NM_001440	605,744 617,425