Table 2

The Pfam domains having many combination partners in deuterostome-specific combinations

Pfam ID
Number of partners
Group specificity
Definition

VWA
14
Com
von Willebrand factor type A domain
WD40
13
Euk
WD domain, G-beta repeat
MAM
12
Euk
MAM domain
SAM_2
11
Euk
SAM domain (sterile alpha motif)
Lectin_C
11
Euk
Lectin C-type domain
Kunitz_BPTI
11
Ani
Kunitz/Bovine pancreatic trypsin inhibitor domain
Collagen
11
Euk
Collagen triple helix repeat (20 copies)
WW
10
Euk
WW domain
TIL
10
Ani
Trypsin Inhibitor like cysteine rich domain
IQ
10
Euk
IQ calmodulin-binding motif
Trypsin
09
Com
Trypsin
GPS
08
Ani
Latrophilin/CL-1-like GPS domain
GCC2_GCC3
08
Euk
GCC2 and GCC3
Death
08
Ani
Death domain
CH
08
Euk
Calponin homology (CH) domain
zf-RanBP
07
Euk
Zn-finger in Ran binding protein and others
fn2
07
Deu
Fibronectin type II domain
Xlink
07
Deu
Extracellular link domain
F5_F8_type_C
07
Euk
F5/8 type C domain
zf-CCCH
06
Euk
Zinc finger C-x8-C-x5-C-x3-H type (and similar)
Kringle
06
Euk
Kringle domain
Kazal_2
06
Euk
Kazal-type serine protease inhibitor domain
Kazal_1
06
Euk
Kazal-type serine protease inhibitor domain

Shown are hub domains preferentially found in deuterostome-specific combinations. We defined hub domains that are preferentially found in deuterostome-specific combinations as those found in deuterostome-specific combinations more than twice as frequently as in animal-specific combinations. Regarding the group specificity of the domains, the terms 'Euk', 'Ani', and 'Deu' refer to eukaryote, animal, and deuterostome, respectively. 'Com' indicates that the domain is shared by prokaryotes and eukaryotes.

Itoh et al. Genome Biology 2007 8:R121   doi:10.1186/gb-2007-8-6-r121