There are 886 domains in the SMART database.

Signalling
14_3_3 4.1m acidPPc ADF ANK ARF ArfGap ARM
B41 B561 B_lectin BAG BH4 BIR BTK C1
C2 Calx_beta CARD CASc CH CheW CNH cNMP
CULLIN CYCc DAGKa DAGKc DAX DEATH DED DEP
DSPc DYNc EAL EFh EH ENTH FBOX FCH
FF FH2 FHA FIST FYVE G_alpha GAF GAS2
GED GGDEF GGL GoLoco GRAM GS GuKc HAMP
HATPase_c HECTc HisKA HPT Hr1 ILWEQ IPPc IQ
ITAM KISc L27 LIM LMWPc MA MeTrc MIR
MYSc MyTH4 PAC PAS PASTA PBD PDZ PH
PI3K_C2 PI3K_p85B PI3K_rbd PI3Ka PI3Kc PIPKc PLAc PLCXc
PLCYc PLDc PP2Ac PP2Cc PTB PTBI PTPc PTPc_DSPc
PTPc_motif PX PXA RA RAB RAN RanBD RAS
RasGAP RasGEF RasGEFN RBD REC RGS RHO RHOD
RhoGAP RhoGEF RIIa RING RIO S_TK_X S_TKc SAM
SAR SEC14 Sec7 SH2 SH3 small_GTPase SOCS SPEC
SPRY START STAT_int STYKc t_SNARE TarH TBC TIR
TRASH TyrKc UBA UBCc UBQ UBX VHP VHS
VPS9 WD40 WH1 WH2 WW ZnF_A20 ZnF_AN1 ZnF_RBZ
ZnF_UBP ZnF_ZZ ZU5
Nuclear
35EXOc 53EXOc A1pp ADEAMc AP2 AP2Ec AraC_E_bind AT_hook
AWS AXH BAH BASIC BBC BBOX BCL BRCT
BRIGHT BRK BRLZ BROMO BSD BTP CBF CENPB
CHK CHROMO CPDc CSP Cu_FIST D5_N DDT DEXDc
DM DSRM DWA DWB DZF eIF5C Elp3 ENDO3c
Endonuclease_NS ERCC4 ETS EXOIII Fapy_DNA_glyco FBD FCD FES
FH Ftsk_gamma Fungal_trans FYRC FYRN G_patch GIYc H15
H2A H2B H3 H4 HALZ HDAC_interact HELICc HhH1
HhH2 HLH HMG HMG17 HNHc HNS HOLI HOX
HRDC HSA HSF HTH_ARAC HTH_ARSR HTH_ASNC HTH_CRP HTH_DEOR
HTH_DTXR HTH_GNTR HTH_ICLR HTH_LACI HTH_LUXR HTH_MARR HTH_MERR HTH_XRE
IBN_N IENR1 IENR2 IPT IRF IRO JmjC JmjN
KH KOW KRAB Ku78 LEM LIGANc LNS2 LytTR
MA3 MADF MADS MBD MBT MCM MutH MutL_C
MUTSac MUTSd NEUZ NGN NOSIC NurA ORANGE ParB
PAX PAZ PHD Piwi Plus3 POL3Bc POLAc POLBc
POLIIIAc POLXc POP4 PostSET POU POX PRE_C2HC PreSET
PriCT_1 Prim-Pol PRY PSP PUA PUG PUR Resolvase
Rho_N RIBOc RPOL4c RPOL8c RPOL9 RPOLA_N RPOLCX RPOLD
RPR RQC RRM RWD S4 SAND SANT SAP
SCAN SET SFM Skp1 Sm SMC_hinge SMR SPK
SpoVT_AbrB SPT2 SRA STE TAF TBOX TDU TEA
Telo_bind Telomerase_RBD TFIIE TFS2M TFS2N THAP TIFY TOP1Ac
TOP1Bc TOP2c TOP4c TOPEUc TOPRIM Trans_reg_C Ubox UME
UTRA XPGI XPGN YqgFc Zalpha zf-AD ZnF_BED ZnF_C2C2
ZnF_C2H2 ZnF_C2HC ZnF_C3H1 ZnF_C4 ZnF_CHCC ZnF_DBF ZnF_GATA ZnF_NFX
ZnF_PMZ ZnF_Rad18 ZnF_U1
Extracellular
A4_EXTRA A_amylase_inhib AAI Aamy Aamy_C ACR Agglutinin AIP3
ALBUMIN AMA-1 Amb_all Amb_V_allergen Ami_2 Ami_3 AMOP ANATO
APPLE Asparaginase Autotransporter B_lectin BID_1 BID_2 BON BowB
BPI1 BPI2 btg1 C1Q C345C C4 CA CADG
CALCITONIN CASH CBD_II CBD_IV CCP CFEM CHRD ChtBD1
ChtBD2 ChtBD3 ChW CLa CLb CLECT CLIP CNX
COLFI COLIPASE CRF CSF2 CT CUB CW CY
CysPc DEFSN DISIN DM4_12 DM6 DNaseIc DoH DSL
EGF EGF_CA EGF_Lam EGF_like END EPEND EPH_lbd Excalibur
FA58C FAS1 FBG fCBD FGF FIMAC Flu_M1_C FN1
FN2 FN3 FOLN FRI FTP FU G2F GA
Galanin GASTRIN GEL GHA GHB GLA GLECT GLUCA
Glyco_10 Glyco_18 Glyco_25 Glyco_32 GPS GRAN Haemagg_act HintC
HintN HormR HX HYDRO IB IFabd IG IG_like
IGc1 IGc2 IGv IL1 IL10 IL2 IL4_13 IL6
IL7 IlGF INB Inhibitor_I29 Int_alpha Jacalin JHBP KAZAL
Kelch Knot1 KR KU LamB LamG LamGL LamNT
LCCL LDLa LIF_OSM LINK LPD_N LRR LRR_BAC LRR_CC
LRR_RI LRR_SD22 LRR_TYP LRRCT LRRNT LU LY LysM
LYZ1 LYZ2 MACPF MAM MANEC MATH MD MHC_II_alpha
MHC_II_beta ML NAT_PEP NEAT NGF NH NIDO NL
NMU NRF NTR NUC OLF OSTEO P4Hc PA2c
PAH PAN_AP PbH1 PBP5_C PBPb PBPe PD PDGF
Pept_C1 PGA_cap PGRP PhBP PKD PLP PQQ PRP
PSA PSI PTH PTI PTN PTX RICIN RNAse_Pc
s48_45 SAA SAPA SapB SCP SCPU SCY SEA
SEL1 Sema SERPIN SF_P SH3b ShKT SO SR
STI STN TECPR TGFB THN TK TNF TNFR
TR_FER TR_THY Tryp_SPc TSP1 TSPc TSPN TY UTG
VIT VPS10 VWA VWC VWD WAP WIF WNT1
WR1 WSC X8 XTALbg Zn_dep_PLPC Zn_pept ZnMc ZP
Others
AAA AAA_PrkA AARP2CN ACTIN Ad_cyc_g-alpha Adenylsucc_synt AFOR_N Agenet
Agouti AgrB AgrD Agro_virD5 AGTRAP AHS1 AHS2 AKAP_110
alkPPc Alpha-amyl_C2 Alpha-L-AF_C Alpha-mann_mid Alpha_adaptinC2 Alpha_kinase Alpha_L_fucos Alpha_TIF
Amelin Amelogenin ANX B3_4 B5 Bac_DnaA_C BACK BAR
BATS BHL Biotin_carb_C BMC Brix BTB C8 CAD
calpain_III CAP10 CARP Cation_ATPase_N CBS CHAD ChSh Citrate_ly_lig
CLH CM_2 CoA_binding CoA_trans CobW_C Cpn10 CRA CTLH
CTNS CUE Cullin_Nedd8 Cupin_1 CxxC_CXXC_SSSS CYCLIN Dabb DALR_1
DALR_2 DCD DCX dDENN DENN DM10 DM11 DM13
DM14 DM15 DM16 DM3 DM5 DM7 DM8 DM9
DnaG_DnaB_bind DnaJ DPBB_1 DUSP DysFC DysFN EB_dh EF1_GNE
EFG_C EFG_IV eIF1a eIF2B_5 eIF6 EKR ELFV_dehydrog Elong-fact-P_C
ETF EZ_HEAT FABD FDX-ACB Fe_hyd_SSU FeoA Flavin_Reduct Flavokinase
FMN_bind FolB FRG FtsA Gal-bind_lectin GAL4 GatB_Yqey GDNF
Germane GIT Gp_dh_N Grip GYF GYR HA2 HAT
HDc HEPN HIRAN HTTM HWE_HK IBR IDEAL IG_FLMN
JAB_MPN KIND L51_S25_CI-B8 LA Lactamase_B LeuA_dimer LH2 Lig_chan-Glu_bd
LisH LITAF LON LRRcap Mad3_BUB1_I Malic_M MbtH MGS
MgtE_N MIF4G MIT MltA MoCF_biosynth Molybdop_Fe4S4 MORN MR_MLE
Mterf NADH-G_4Fe-4S_3 NADH_4Fe-4S NDK NEBU Nfu_N NIL NPCBM
OMPdecase OmpH P-II PA14 PAM PAW PB1 PCRF
PepX_C PepX_N PGAM PHB PhnA_Zn_Ribbon PIG-X PINc PINT
PKS_AT PKS_DH PKS_ER PKS_KR PKS_KS PKS_MT PKS_PP PKS_TE
PLEC PlsC PMEI PolyA PP2C_SIG Prim_Zn_Ribbon Pro-kuma_activ Pro_CA
PROF ProQ ProRS-C_1 Proteasome_A_N PSN Pumilio PWI PWWP
PYNP_C QLQ R3H rADc RAP RelA_SpoT RES RINGv
RL11 RNB Robl_LC7 RPEL RuBisCO_small RUN S1 SAF
SAM_PNT SATase_N SEC63 Sec63 SecA_DEAD SecA_PP_bind Semialdhyde_dh SEP
SHR3_chaperone SMI1_KNR4 SNc SOCS_box Sorb SpoU_sub_bind SprT SRP54
SRP54_N STI1 SWAP SWIB SynN T5orf172 TAFH TAP_C
TGc THEG THUMP THY TilS_C Tim44 TLC TLDc
TPR Transket_pyr tRNA_SAD Tubulin Tubulin_C TUDOR UAS uDENN
UIM VKc WGR WHy WRKY WSN WWE YceI
ZipA_C ZM ZnF_CDGSH ZnF_TAZ ZnF_TTF ZnF_UBR1 Zpr1

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