ZFIN ID: ZDB-GENE-041124-3

ZFIN ID: ZDB-GENE-041124-3

Mapping Details

Gene Name:	exostosin glycosyltransferase 2
Symbol:	ext2

PHYSICAL MAP AND BROWSER

Genome Browser	Chr	Position	Assembly
ZFIN	7	26,850,108 - 26,893,571	GRCz12tu
NCBI Map Viewer	7	26,850,108 - 26,893,571	GRCz12tu
Ensembl	7	26,844,261 - 26,892,613	GRCz11
NCBI Map Viewer	7	26,844,260 - 26,892,897	GRCz11
UCSC	7	-	GRCz11
Vega	7	26,573,068 - 26,621,420	GRCv10

Mapped Clones containing ext2
CH211-107P11	Chr: 7 Details

PHYSICAL MAPPING

Feature	Chr	Position	Assembly	Source	DetailedSource	Citations
sa34076	7	26,892,325	GRCz12tu	DIRECT		Sealy et al., 2025
	7	26,891,651	GRCz11	DIRECT		Busch-Nentwich et al., 2013
	7	26,620,458	GRCz10	DIRECT		Busch-Nentwich et al., 2013
	7	28,017,519	Zv9	DIRECT		Busch-Nentwich et al., 2013
sa38611	7	26,853,218	GRCz12tu	DIRECT		Sealy et al., 2025
	7	26,847,357	GRCz11	DIRECT		Busch-Nentwich et al., 2013
	7	26,576,164	GRCz10	DIRECT		Busch-Nentwich et al., 2013
	7	27,973,225	Zv9	DIRECT		Busch-Nentwich et al., 2013
to79c	7	26,847,153	GRCz11	DIRECT		Lee et al., 2004
to273b	7	26,847,225 - 26,847,226	GRCz11	DIRECT		Lee et al., 2004
tw25e	7	26,854,440	GRCz11	DIRECT		Lee et al., 2004
sa34076	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
sa38611	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info
tf205	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
to79c	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
to273b	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info
	7		GRCz11	OTHER_MAPPING	linkagesDirectMem1
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
	7		GRCz11	OTHER_MAPPING	linkagesDirectMem2
tw25e	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGenePaneledMarkers
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneLinkage
	7		GRCz11	OTHER_MAPPING	featureLocationPullThruFromGeneGBrowse
	7		GRCz11	OTHER_MAPPING	Feature location obtained from related gene that has mapped_marker info

GENETIC MAPPING PANELS
Chr	Location	Mapped As	Panel	Mapped By	Scoring
7	68.4 cM	ext2	Heat Shock (HS)	Woods, Ian G.	Data

Note: Physical map location as displayed in the genome browsers is more precise than linkage map location. Note: Physical map location should be used whenever possible.

MAPPING FROM PUBLICATIONS
Marker	Type	Chr	Distance	Publication / Person	Comments
z4999	SSLP	7	1.1 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z3057	SSLP	7	1.5 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z23218	SSLP	7	0.37 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z15270	SSLP	7	0.59 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
to273b	Feature	7	0.0 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
fk50g10	EST	7		Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.

Chr 7

ZFIN Curated Data

ZFIN historical data

Genomic Feature to273b is an allele of ext2

Marker	Type	Chr	Distance	Publication / Person	Comments
fk50g10	EST	7	0.11 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
ext2	GENE	7	0.0 cM	Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z15270	SSLP	7		Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z23218	SSLP	7		Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z4999	SSLP	7		Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.
z3057	SSLP	7		Lee et al., 2004	Lee et al. (2004, Neuron 44(6):947-960) report mapping dak^to273 to LG 7 using bulk segregant analysis.