Browse: Families

Entries beginning with I
Name Accession Description Number Interacting Families Number Interacting Ligands Number Structures
I-set PF07679 Immunoglobulin I-set domain 18 33 181
IalB PF06776 Invasion associated locus B (IalB) protein 1 1 1
IATP PF04568 Mitochondrial ATPase inhibitor, IATP 4 0 5
IBB PF01749 Importin beta binding domain 3 0 34
IBD PF10416 Transcription-initiator DNA-binding domain IBD 1 2 2
IBN_N PF03810 Importin-beta N-terminal domain 8 4 47
IBP39 PF11422 Initiator binding protein 39 kDa 1 0 3
IBR PF01485 IBR domain 3 4 13
Ibs_toxin PF13956 Toxin Ibs, type I toxin-antitoxin system 0 0 0
IBV_3A PF03617 IBV 3A protein 0 0 0
IBV_3B PF03622 IBV 3B protein 0 0 0
IBV_3C PF03620 IBV 3C protein 0 0 0
ICA69 PF04629 Islet cell autoantigen ICA69, C-terminal domain 0 0 0
ICAM_N PF03921 Intercellular adhesion molecule (ICAM), N-terminal domain 4 3 11
ICAP-1_inte_bdg PF10480 Beta-1 integrin binding protein 0 1 3
ICAT PF06384 Beta-catenin-interacting protein ICAT 1 0 3
ICE2 PF08426 ICE2 0 0 0
ICEA PF05315 ICEA Protein 0 0 0
IceA2 PF05862 Helicobacter pylori IceA2 protein 0 0 0
Ice_nucleation PF00818 Ice nucleation protein repeat 0 0 0
ICL PF00463 Isocitrate lyase family 1 12 11
IclR PF01614 Bacterial transcriptional regulator 2 8 16
IcmF-related PF06761 Intracellular multiplication and human macrophage-killing 0 0 0
IcmL PF11393 Macrophage killing protein with similarity to conjugation protein 0 0 0
ICMT PF04140 Isoprenylcysteine carboxyl methyltransferase (ICMT) family 0 2 1
IDEAL PF08858 IDEAL domain 1 0 1
IDH PF03971 Monomeric isocitrate dehydrogenase 1 4 4
IDO PF01231 Indoleamine 2,3-dioxygenase 1 4 2
IER PF05760 Immediate early response protein (IER) 0 0 0
IF-2 PF11987 Translation-initiation factor 2 3 0 6
IF-2B PF01008 Initiation factor 2 subunit family 1 10 13
IF2_assoc PF08364 Bacterial translation initiation factor IF-2 associated region 0 0 0
IF2_N PF04760 Translation initiation factor IF-2, N-terminal region 0 1 4
IF3_C PF00707 Translation initiation factor IF-3, C-terminal domain 1 0 5
IF3_N PF05198 Translation initiation factor IF-3, N-terminal domain 0 2 1
IF4E PF01652 Eukaryotic initiation factor 4E 3 17 30
Ifi-6-16 PF06140 Interferon-induced 6-16 family 0 0 1
IFN-gamma PF00714 Interferon gamma 3 3 9
IFNGR1 PF07140 Interferon gamma receptor (IFNGR1) 3 2 3
IFP_35_N PF07334 Interferon-induced 35 kDa protein (IFP 35) N-terminus 0 0 0
IFR3_antag PF14754 Papain-like auto-proteinase 0 0 0
IFRD PF05004 Interferon-related developmental regulator (IFRD) 0 0 0
IFRD_C PF04836 Interferon-related protein conserved region 0 0 0
IFT20 PF14931 Intraflagellar transport complex B, subunit 20 0 0 0
IFT43 PF15305 Intraflagellar transport protein 43 0 0 0
IFT46_B_C PF12317 Intraflagellar transport complex B protein 46 C terminal 0 0 0
IFT57 PF10498 Intra-flagellar transport protein 57 0 0 0
ig PF00047 Immunoglobulin domain 16 4 34
IgaA PF07095 Intracellular growth attenuator protein IgaA 0 0 0
IGF2_C PF08365 Insulin-like growth factor II E-peptide 0 0 0
IGFBP PF00219 Insulin-like growth factor binding protein 3 3 7
IGFL PF14653 Insulin growth factor-like family 0 0 0
IgG_binding_B PF01378 B domain 3 7 64
IglC PF11550 Intracellular growth locus C protein 1 0 1
IGPD PF00475 Imidazoleglycerol-phosphate dehydratase 1 8 3
IGPS PF00218 Indole-3-glycerol phosphate synthase 2 31 41
IGR PF09597 IGR protein motif 0 0 0
Ig_2 PF13895 Immunoglobulin domain 27 29 145
Ig_3 PF13927 Immunoglobulin domain 10 7 36
Ig_J_chain PF15097 Immunoglobulin J chain 0 0 0
Ig_Tie2_1 PF10430 Tie-2 Ig-like domain 1 1 2 3
IIGP PF05049 Interferon-inducible GTPase (IIGP) 1 7 5
IKI3 PF04762 IKI3 family 0 0 0
IKKbetaNEMObind PF12179 I-kappa-kinase-beta NEMO binding domain 2 0 2
IL1 PF00340 Interleukin-1 / 18 7 6 49
IL10 PF00726 Interleukin 10 3 3 13
IL11 PF07400 Interleukin 11 0 0 0
IL12 PF03039 Interleukin-12 alpha subunit 1 0 2
IL12p40_C PF10420 Cytokine interleukin-12p40 C-terminus 2 1 6
IL13 PF03487 Interleukin-13 1 2 10
IL15 PF02372 Interleukin 15 4 4 7
IL17 PF06083 Interleukin-17 1 3 5
IL17_R_N PF15037 Interleukin-17 receptor extracellular region 0 0 0
IL1_propep PF02394 Interleukin-1 propeptide 0 0 0
IL2 PF00715 Interleukin 2 4 12 17
IL22 PF14565 Interleukin 22 IL-10-related T-cell-derived-inducible factor 3 7 6
IL28A PF15177 Interleukin-28A 2 2 3
IL3 PF02059 Interleukin-3 0 0 2
IL31 PF15209 Interleukin 31 0 0 0
IL32 PF15225 Interleukin 32 0 0 0
IL33 PF15095 Interleukin 33 0 0 1
IL34 PF15036 Interleukin 34 4 3 6
IL4 PF00727 Interleukin 4 3 2 23
IL4Ra_N PF09238 Interleukin-4 receptor alpha chain, N-terminal 2 0 4
IL5 PF02025 Interleukin 5 2 0 4
IL6 PF00489 Interleukin-6/G-CSF/MGF family 4 3 18
IL6Ra-bind PF09240 Interleukin-6 receptor alpha chain, binding 9 8 22
IL7 PF01415 Interleukin 7/9 family 1 1 2
IL8 PF00048 Small cytokines (intecrine/chemokine), interleukin-8 like 8 20 128
Ilar_coat PF01787 Ilarvirus coat protein 1 0 1
Ilm1 PF10311 Increased loss of mitochondrial DNA protein 1 0 0 0
IlvB_leader PF08049 IlvB leader peptide 0 0 0
IlvC PF01450 Acetohydroxy acid isomeroreductase, catalytic domain 2 9 7
ILVD_EDD PF00920 Dehydratase family 1 1 1
IlvGEDA_leader PF08046 IlvGEDA operon leader peptide 0 0 0
IlvN PF07991 Acetohydroxy acid isomeroreductase, catalytic domain 2 9 9
Ima1_N PF09779 Ima1 N-terminal domain 0 0 0
ImcF-related_N PF14331 ImcF-related N-terminal domain 0 0 0
IMCp PF12314 Inner membrane complex protein 0 0 0
IMD PF08397 IRSp53/MIM homology domain 2 2 5
Img2 PF05046 Mitochondrial large subunit ribosomal protein (Img2) 0 0 0
Imm-NTF2 PF15655 NTF2 fold immunity protein 0 0 0
Imm-NTF2-2 PF15631 NTF2 fold immunity protein 0 0 0
Imm1 PF14430 Immunity protein Imm1 0 0 0
Imm10 PF15562 Immunity protein 10 0 0 0
Imm11 PF15563 Immunity protein 11 0 0 0
Imm12 PF15589 Immunity protein 12 0 0 0
Imm13 PF15564 Immunity protein 13 0 0 0
Imm14 PF15428 Immunity protein 14 0 0 0
Imm15 PF15590 Immunity protein 15 0 0 0
Imm16 PF15565 Immunity protein 16 0 0 0
Imm17 PF15591 Immunity protein 17 0 0 0
Imm18 PF15566 Immunity protein 18 0 0 0
Imm19 PF15567 Immunity protein 19 0 0 0
Imm2 PF14426 Immunity protein Imm2 0 0 0
Imm20 PF15568 Immunity protein 20 0 0 0
Imm21 PF15569 Immunity protein 21 0 0 0
Imm22 PF15592 Immunity protein 22 0 0 0
Imm23 PF15593 Immunity protein 23 0 0 0
Imm24 PF15570 Immunity protein 24 0 0 0
Imm25 PF15571 Immunity protein 25 0 0 0
Imm26 PF15572 Immunity protein 26 0 0 0
Imm27 PF15573 Immunity protein 27 0 0 0
Imm28 PF15574 Immunity protein 28 0 0 0
Imm29 PF15575 Immunity protein 29 0 0 0
Imm3 PF14425 Immunity protein Imm3 0 0 0
Imm30 PF15594 Immunity protein 30 0 0 0
Imm31 PF15595 Immunity protein 31 0 0 0
Imm32 PF15579 Immunity protein 32 0 0 0
Imm33 PF15580 Immunity protein 33 0 0 0
Imm34 PF15596 Immunity protein 34 0 0 0
Imm35 PF15581 Immunity protein 35 0 0 0
Imm36 PF15597 Immunity protein 36 0 0 0
Imm37 PF15598 Immunity protein 37 0 0 0
Imm38 PF15599 Immunity protein 38 0 0 0
Imm39 PF15600 Immunity protein 39 0 0 0
Imm40 PF15582 Immunity protein 40 0 0 0
Imm41 PF15583 Immunity protein 41 0 0 0
Imm42 PF15601 Immunity protein 42 0 0 0
Imm43 PF15602 Immunity protein 43 0 0 0
Imm44 PF15584 Immunity protein 44 0 0 0
Imm45 PF15603 Immunity protein 45 0 0 0
Imm46 PF15585 Immunity protein 46 0 0 0
Imm47 PF15586 Immunity protein 47 0 0 0
Imm48 PF15587 Immunity protein 48 0 0 0
Imm49 PF15660 Immunity protein 49 0 0 0
Imm5 PF14423 Immunity protein Imm5 0 0 0
Imm6 PF14434 Immunity protein Imm6 0 0 0
Imm7 PF15588 Immunity protein 7 0 0 0
Imm8 PF15560 Immunity protein 8 0 0 0
Imm9 PF15561 Immunity protein 9 0 0 0
ImmE5 PF11480 Colicin-E5 Imm protein 1 0 2
Imm_superinfect PF14373 Superinfection immunity protein 0 0 0
Imp-YgjV PF10688 Bacterial inner membrane protein 0 0 0
ImpA-rel_N PF06812 ImpA-related N-terminal 0 0 0
IMPDH PF00478 IMP dehydrogenase / GMP reductase domain 2 32 42
ImpE PF07024 ImpE protein 0 1 1
IMP_cyclohyd PF07826 IMP cyclohydrolase-like protein 1 2 4
IMS PF00817 impB/mucB/samB family 3 60 212
IMS_C PF11799 impB/mucB/samB family C-terminal domain 7 29 204
IMS_HHH PF11798 IMS family HHH motif 3 6 126
InaF-motif PF15018 TRP-interacting helix 0 0 0
IncA PF04156 IncA protein 0 0 0
INCA1 PF15142 INCA1 0 0 0
INCENP_ARK-bind PF03941 Inner centromere protein, ARK binding region 1 0 9
INCENP_N PF12178 Chromosome passenger complex (CPC) protein INCENP N terminal 1 0 1
IncFII_repA PF02387 IncFII RepA protein family 0 0 0
Indigoidine_A PF04227 Indigoidine synthase A like protein 1 13 7
ING PF12998 Inhibitor of growth proteins N-terminal histone-binding 1 1 1
Inh PF02974 Protease inhibitor Inh 3 1 3
Inhibitor_G39P PF11417 Loader and inhibitor of phage G40P 1 0 1
Inhibitor_I10 PF12559 Serine endopeptidase inhibitors 0 0 1
Inhibitor_I24 PF10465 PinA peptidase inhibitor 0 0 0
Inhibitor_I29 PF08246 Cathepsin propeptide inhibitor domain (I29) 2 8 13
Inhibitor_I34 PF10466 Saccharopepsin inhibitor I34 1 1 3
Inhibitor_I36 PF03995 Peptidase inhibitor family I36 0 0 1
Inhibitor_I42 PF09394 Chagasin family peptidase inhibitor I42 2 9 12
Inhibitor_I48 PF10467 Peptidase inhibitor clitocypin 2 2 2
Inhibitor_I53 PF11714 Thrombin inhibitor Madanin 0 0 0
Inhibitor_I67 PF11405 Bromelain inhibitor VI 0 0 2
Inhibitor_I68 PF10468 Carboxypeptidase inhibitor I68 1 7 9
Inhibitor_I69 PF13734 Spi protease inhibitor 2 1 7
Inhibitor_I71 PF12628 Falstatin, cysteine peptidase inhibitor 1 2 1
Inhibitor_I78 PF11720 Peptidase inhibitor I78 family 0 0 2
Inhibitor_I9 PF05922 Peptidase inhibitor I9 2 2 24
Inhibitor_Mig-6 PF11555 EGFR receptor inhibitor Mig-6 2 0 4
Init_tRNA_PT PF04179 Initiator tRNA phosphoribosyl transferase 0 0 0
Innate_immun PF12782 Invertebrate innate immunity transcript family 0 0 0
Innexin PF00876 Innexin 0 0 0
Ino80_Iec3 PF14612 IEC3 subunit of the Ino80 complex, chromatin re-modelling 0 0 0
INO80_Ies4 PF08193 INO80 complex subunit Ies4 0 0 0
Inos-1-P_synth PF01658 Myo-inositol-1-phosphate synthase 2 13 17
Inositol_P PF00459 Inositol monophosphatase family 1 32 50
Inp1 PF12634 Inheritance of peroxisomes protein 1 0 0 0
Ins134_P3_kin PF05770 Inositol 1, 3, 4-trisphosphate 5/6-kinase 1 9 6
Ins145_P3_rec PF08709 Inositol 1,4,5-trisphosphate/ryanodine receptor 3 4 22
INSIG PF07281 Insulin-induced protein (INSIG) 0 0 0
Insulin PF00049 Insulin/IGF/Relaxin family 8 51 271
Ins_allergen_rp PF06757 Insect allergen related repeat, nitrile-specifier detoxification 0 2 1
Ins_beta PF03488 Nematode insulin-related peptide beta type 0 0 1
Ins_P5_2-kin PF06090 Inositol-pentakisphosphate 2-kinase 1 11 13
Integrase_1 PF12835 Integrase 0 0 0
Integrase_AP2 PF14657 AP2-like DNA-binding integrase domain 0 0 0
Integrase_DNA PF02920 DNA binding domain of tn916 integrase 0 2 5
Integrase_Zn PF02022 Integrase Zinc binding domain 4 3 12
Integrin_alpha PF00357 Integrin alpha cytoplasmic region 2 1 14
Integrin_alpha2 PF08441 Integrin alpha 4 10 31
Integrin_beta PF00362 Integrin, beta chain 7 19 42
Integrin_b_cyt PF08725 Integrin beta cytoplasmic domain 6 3 19
Integrin_B_tail PF07965 Integrin beta tail domain 2 3 15
Intein_splicing PF14890 Intein splicing domain 3 3 3
Interfer-bind PF09294 Interferon-alpha/beta receptor, fibronectin type III 7 9 54
Interferon PF00143 Interferon alpha/beta domain 5 11 18
Internalin_N PF12354 Bacterial adhesion/invasion protein N terminal 4 4 30
Intg_mem_TP0381 PF09529 Integral membrane protein (intg_mem_TP0381) 0 0 0
Intimin_C PF07979 Intimin C-type lectin domain 3 0 8
Intron_maturas2 PF01348 Type II intron maturase 0 0 0
INTS2 PF14750 Integrator complex subunit 2 0 0 0
INTS5_C PF14838 Integrator complex subunit 5 C-terminus 0 0 0
INTS5_N PF14837 Integrator complex subunit 5 N-terminus 0 0 0
INT_SG_DDX_CT_C PF15300 INTS6/SAGE1/DDX26B/CT45 C-terminus 0 0 0
Invasin_D3 PF09134 Invasin, domain 3 1 0 1
Invas_SpaK PF03519 Invasion protein B family 2 1 3
InvH PF04741 InvH outer membrane lipoprotein 0 0 0
Involucrin PF00904 Involucrin repeat 0 0 0
Involucrin2 PF06994 Involucrin 0 0 0
Involucrin_N PF10583 Involucrin of squamous epithelia N-terminus 0 0 0
IN_DBD_C PF00552 Integrase DNA binding domain 2 1 9
Ion_trans PF00520 Ion transport protein 3 8 26
Ion_trans_2 PF07885 Ion channel 1 26 104
Ion_trans_N PF08412 Ion transport protein N-terminal 0 0 0
IpaB_EvcA PF03278 IpaB/EvcA family 2 3 5
IpaC_SipC PF09599 Salmonella-Shigella invasin protein C (IpaC_SipC) 0 0 0
IpaD PF06511 Invasion plasmid antigen IpaD 2 6 17
IpgD PF05925 Enterobacterial virulence protein IpgD 1 0 1
iPGM_N PF06415 BPG-independent PGAM N-terminus (iPGM_N) 2 4 8
Ipi1_N PF12333 Rix1 complex component involved in 60S ribosome maturation 0 0 0
IPI_T4 PF11634 Nuclease inhibitor from bacteriophage T4 0 0 1
IPK PF03770 Inositol polyphosphate kinase 1 10 9
IPP-2 PF04979 Protein phosphatase inhibitor 2 (IPP-2) 1 0 2
IPPT PF01715 IPP transferase 1 10 14
IPT PF01745 Isopentenyl transferase 1 5 4
IP_trans PF02121 Phosphatidylinositol transfer protein 1 1 4
IQ PF00612 IQ calmodulin-binding motif 5 2 29
IQ-like PF15157 IQ-like 0 0 0
IR1-M PF12185 Nup358/RanBP2 E3 ligase domain 2 2 4
IRF PF00605 Interferon regulatory factor transcription factor 3 6 13
IRF-2BP1_2 PF11261 Interferon regulatory factor 2-binding protein zinc finger 0 0 0
IRF-3 PF10401 Interferon-regulatory factor 3 2 3 5
IRK PF01007 Inward rectifier potassium channel 3 22 45
IRK_N PF08466 Inward rectifier potassium channel N-terminal 1 0 3
Iron_permease PF04120 Low affinity iron permease 0 0 0
Iron_traffic PF04362 Bacterial Fe(2+) trafficking 0 1 3
Iron_transport PF10634 Fe2+ transport protein 1 8 14
IRS PF02174 PTB domain (IRS-1 type) 5 7 26
ISAV_HA PF06215 Infectious salmon anaemia virus haemagglutinin 0 0 0
ISG65-75 PF11727 Invariant surface glycoprotein 0 0 0
Ish1 PF10281 Putative stress-responsive nuclear envelope protein 0 0 0
ISK_Channel PF02060 Slow voltage-gated potassium channel 0 0 1
ISN1 PF06437 IMP-specific 5'-nucleotidase 0 0 0
Isochorismatase PF00857 Isochorismatase family 1 32 40
Iso_dh PF00180 Isocitrate/isopropylmalate dehydrogenase 2 50 129
IspA PF04279 Intracellular septation protein A 0 0 0
IspD PF01128 2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase 2 27 27
Ist1 PF03398 Regulator of Vps4 activity in the MVB pathway 1 1 4
IstB_IS21 PF01695 IstB-like ATP binding protein 1 5 4
IstB_IS21_ATP PF08483 IstB-like ATP binding N-terminal 0 0 0
Isy1 PF06246 Isy1-like splicing family 0 0 1
ITAM PF02189 Immunoreceptor tyrosine-based activation motif 4 1 8
ITAM_Cys-rich PF10538 Immunoreceptor tyrosine-based activation motif 0 0 0
ITI_HC_C PF06668 Inter-alpha-trypsin inhibitor heavy chain C-terminus 0 0 0
IucA_IucC PF04183 IucA / IucC family 2 12 10
IU_nuc_hydro PF01156 Inosine-uridine preferring nucleoside hydrolase 1 23 29
Ivy PF08816 Inhibitor of vertebrate lysozyme (Ivy) 2 0 3
IZUMO PF15005 Izumo sperm-egg fusion 0 0 0
I_LWEQ PF01608 I/LWEQ domain 1 1 3