Table 1. Potential pairings for SMART domains at fold and superfamily level

 

 

 

 

 

 

 

 

 

SCOP

fold

N

SMART

domains

SCOP

fold

N

SMART

domains

SCOP

fold

N

SMART

domains

Knottins

10

e-FOLN, e-EGF_CA, e-EGF_Lam, e-FU, e-IB, e-PTI, e-fCBD, e-ChtBD, e-WAP, e-BowB

DNA/RNA-binding 3-helical bundle

9

n-HTH_ARSR, n-ETS, n-FH, n-HTH_CRP, n-IRF, n-HSF, n-SANT, n-HOX, n-PAX

Immunoglobulin fold

7

e-IGc1, e-IGc2, e-IGv, n-IPT, e-PKD, e-CA, e-FN3

OB fold

4

n-CSP, o-S1, o-SNc, e-TIMP,

SAM domain-like

4

n-HhH2, n-HhH1, o-SAM_PNT, s-SAM

b trefoil

4

e-IL1, e-FGF, e-RICIN, e-STI

b-grasp

3

s-RBD, s-RA, s-UBQ

Long a-hairpin

2

o-DnaJ, s-HR1

IL8-like

2

e-SCY, n-CHROMO

Four helical bundle

2

s-HPT, s-TarH

Leucine-rich repeat

2

o-LRRcap, e-LRR_RI

 

 

 

 

SCOP

superfamily

N

SMART

domains

SCOP

superfamily

N

SMART

domains

SCOP

superfamily

N

SMART

domains

P-loop containing nucleotide hydrolases

11

s-MYSc, o-AAA, s-RAN, s-RAB, s-SAR, s-RAS, s-RHO, s-ARF, s-G-alpha, s-GuKc, s-KISc

Four helical cytokines

7

e-IL4_13, e-IL10, e-IFabd, e-CSF2, e-IL2, e-LIF_OSM, e-IL6

Winged helix DNA-binding domain

6

n-HTH_ARSR, n-ETS, n-FH, n-HTH_CRP, n-IRF, n-HSF

Immunoglobulin

5

e-IGc1, e-IGc2, e-IGv, n-IPT, e-PKD

 

Nucleosome core histones

5

n-H3, n-H2A, n-H4, n-H2B, n-AHL

PH domain-like

5

s-PTB, s-RanBD, s-WH1, s-PH, s-BTK

Cystine-knot cytokines

4

e-GHA, e-PDGF, e-TGFB, e-NGF

 

Homeodomain-like

3

n-SANT, n-HOX, n-PAX

DEATH domain

3

s-DED, s-DEATH, s-CARD

Periplasmic binding protein-like II

3

e-PBPb, e-PBPe, e-TR_FER

Protein tyrosine phosphatase I-like

3

s-PTPc, s-DSPc, o-RHOD

EGF/Laminin

3

e-EGF_CA, e-FOLN, e-EGF_Lam

GTPase activation domain (GAP)

2

s-RasGAP, s-RhoGAP

l repressor-like DNA binding dom.

2

n-POU, n-HTH_LACI

Actin de-polarizing proteins 2 e-GEL, s-ADF

EF Hand-like

2

s-EH, s-Efh

SAM/pointed dom.

2

o-SAM_PNT, s-SAM

ATPase dom. HSP90/ topoisomerase II/ his kinase 2 s-HATPase_c, n-TOP2c

5'-3' exonuclease,

C-term dom.

2

n-HhH2, n-HhH1

TNF-like

2

e-C1Q, e-TNF

IGF binding dom. 2 e-IB, e-FU

ConA-like lectins

2

e-PTX, e-GLECT, e-LamG

 

Cold shock protein 2 n-CSP, o-S1 Ser/Thr phosphatase 2C 2 s-PP2Cc, o-PP2C_SIG
C-type lectin 2 e-LINK, e-CLECT

 

Kringle-like 2 e-KR, e-FN2

Ras-binding dom.

2

s-RBD, s-RA

DNA binding dom 2 n-MBD, n-AP2 Glucocorticoid receptor-like 2 n-ZnF_GATA, n-ZnF_C4 b trefoil cytokines 2 e-IL1, e-FGF