| Class b: All beta proteins [48724] (180 folds) |
| Fold b.1: Immunoglobulin-like beta-sandwich [48725] (33 superfamilies) sandwich; 7 strands in 2 sheets; greek-key some members of the fold have additional strands |
Superfamily b.1.2: Fibronectin type III [49265] (2 families) ![]() |
| Family b.1.2.1: Fibronectin type III [49266] (45 proteins) Pfam PF00041 |
| Brother of CDO precursor (BOC) [141037] (1 species) |
| Species Mouse (Mus musculus) [TaxId:10090] [141038] (2 PDB entries) Uniprot Q6AZB0 591-689! Uniprot Q6AZB0 707-807 |
| Ciliary neurotrophic factor receptor alpha [110060] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [110061] (1 PDB entry) Uniprot P26992 202-305 |
| Common beta-chain in the GM-CSF, IL-3 and IL-5 receptors [49289] (1 species) duplication: consists of four similar domains; dimerizes by swapping the C-terminal strands of domains 1 and 3 |
| Species Human (Homo sapiens) [TaxId:9606] [49290] (5 PDB entries) |
| Contactin 3 (KIAA1496) [117055] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [117056] (1 PDB entry) Uniprot Q9P232 893-996 |
| Cytokine receptor common gamma chain [141041] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141042] (6 PDB entries) Uniprot P31785 142-246! Uniprot P31785 142-248! Uniprot P31785 54-141! Uniprot P31785 56-141 |
| Cytokine receptor gp130 cytokine-binding domains [49295] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49296] (5 PDB entries) |
| Down syndrome cell adhesion molecule-like protein 1, DSCAML1 [141055] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141056] (1 PDB entry) Uniprot Q8TD84 979-1087 |
| Ephrin type-A receptor 1 [141063] (1 species) |
| Species Mouse (Mus musculus) [TaxId:10090] [141064] (1 PDB entry) Uniprot Q60750 446-539 |
| Ephrin type-A receptor 8 [141039] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141040] (1 PDB entry) Uniprot P29322 473-534 structure of the C-terminal SAM domain is known (101243) |
| Ephrin type-B receptor 1 [141035] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141036] (1 PDB entry) Uniprot P54762 434-528 |
| Erythropoietin (EPO) receptor [49282] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49283] (6 PDB entries) |
| Extracellular region of human tissue factor [49267] (2 species) tandem of fibronectin type III domains |
| Species Human (Homo sapiens) [TaxId:9606] [49268] (35 PDB entries) Uniprot P13726 33-242 |
| Species Rabbit (Oryctolagus cuniculus) [TaxId:9986] [49269] (1 PDB entry) |
| Fibronectin type 3 and ankyrin repeat domains 1 protein, FANK1 [117053] (1 species) |
| Species Mouse (Mus musculus) [TaxId:10090] [117054] (1 PDB entry) Uniprot Q9DAM9 1-107 |
| Fibronectin type III domain from chitinase A1. [81975] (1 species) |
| Species Bacillus circulans [TaxId:1397] [81976] (1 PDB entry) |
| Fibronectin type-III domain containing protein 3a, FNDC3A (KIAA0970) [117057] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [117058] (6 PDB entries) Uniprot Q9Y2H6 192-315 |
| Fibronectin, different Fn3 modules [49270] (3 species) |
| Species Escherichia coli K-12 [TaxId:83333] [158899] (1 PDB entry) |
| Species Human (Homo sapiens) [TaxId:9606] [49271] (9 PDB entries) |
| Species Mouse (Mus musculus) [TaxId:10090] [49272] (2 PDB entries) |
| Granulocyte colony-stimulating factor (GC-SF) receptor [49291] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141034] (1 PDB entry) Uniprot Q99062 120-226! Uniprot Q99062 227-331 |
| Species Mouse (Mus musculus) [TaxId:10090] [49292] (4 PDB entries) |
| Growth hormone receptor [49280] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49281] (6 PDB entries) tandem of fibronectin type III domains |
| Hedgehog receptor iHog [141061] (1 species) Cg9211-PA |
| Species Fruit fly (Drosophila melanogaster) [TaxId:7227] [141062] (3 PDB entries) Uniprot Q9VM64 466-572! Uniprot Q9VM64 573-667 |
| Host cell factor 2, HCF-2 [117051] (1 species) |
| Species Mouse (Mus musculus) [TaxId:10090] [117052] (1 PDB entry) Uniprot Q9D968 127-236 |
| Insulin receptor [158901] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [158902] (1 PDB entry) Uniprot P06213 495-618 |
| Integrin beta-4 subunit [49278] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49279] (3 PDB entries) |
| Interferon-alpha/beta receptor beta chain [89199] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [89200] (5 PDB entries) |
| Interferon-gamma receptor alpha chain [49293] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49294] (3 PDB entries) |
| Interleukin-10 receptor 1, IL-10R1 [63670] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [63671] (5 PDB entries) |
| Interleukin-2 receptor beta chain [141047] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141048] (4 PDB entries) Uniprot P14784 130-232! Uniprot P14784 130-233! Uniprot P14784 32-129 |
| Interleukin-4 receptor alpha chain [49287] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49288] (1 PDB entry) |
| Interleukin-6 receptor alpha chain, domains 2 and 3 [81977] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [81978] (3 PDB entries) |
| KIAA0343 protein [101531] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [101532] (2 PDB entries) |
| KIAA1355 [110058] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [110059] (1 PDB entry) Uniprot Q9P2J2 [Fragment] 634-728 |
| KIAA1568 protein [101529] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [101530] (2 PDB entries) |
| Myosin binding protein C, fast-type [141057] (1 species) |
| Species Mouse (Mus musculus) [TaxId:10090] [141058] (1 PDB entry) Uniprot Q5XKE0 731-828 |
| Neogenin [141053] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141054] (6 PDB entries) Uniprot Q92859 429-535! Uniprot Q92859 529-631! Uniprot Q92859 623-741! Uniprot Q92859 718-830! Uniprot Q92859 853-952! Uniprot Q92859 942-1054 |
| Neural cell adhesion molecule 1, NCAM [89197] (2 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141033] (4 PDB entries) Uniprot P13592 498-598 |
| Species Norway rat (Rattus norvegicus) [TaxId:10116] [89198] (1 PDB entry) |
| Neuroglian, two amino proximal Fn3 repeats [49276] (1 species) tandem of fibronectin type III domains |
| Species Fruit fly (Drosophila melanogaster) [TaxId:7227] [49277] (1 PDB entry) |
| Prolactin receptor [49284] (2 species) |
| Species Norway rat (Rattus norvegicus) [TaxId:10116] [49286] (1 PDB entry) |
| Receptor-type tyrosine-protein phosphatase delta, PTPRD [141049] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141050] (2 PDB entries) Uniprot P23468 504-607 |
| Receptor-type tyrosine-protein phosphatase F, PTPRF [141059] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141060] (1 PDB entry) Uniprot P10586 811-904 |
| Rim binding protein 2 [141043] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141044] (1 PDB entry) Uniprot O15034 477-593 |
| Sidekick 2 [141051] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141052] (4 PDB entries) Uniprot Q58EX2 1279-1395! Uniprot Q58EX2 578-685! Uniprot Q58EX2 881-988! Uniprot Q58EX2 981-1081 |
| Tenascin [49273] (3 species) |
| Species Chicken (Gallus gallus) [TaxId:9031] [49274] (1 PDB entry) |
| Species Human (Homo sapiens) [TaxId:9606] [49275] (1 PDB entry) |
| Species Norway rat (Rattus norvegicus) [TaxId:10116] [110057] (1 PDB entry) Uniprot Q05546 502-770 |
| Tenascin-X [141045] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [141046] (3 PDB entries) Uniprot P22105 3699-3798! Uniprot P22105 3890-3991! Uniprot P22105 3977-4069 |
| The p40 domain of interleukin-12 (IL-12 beta chain), domains 2 and 3 [63672] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [63673] (5 PDB entries) |
| Type I titin module [49297] (1 species) |
| Species Human (Homo sapiens) [TaxId:9606] [49298] (1 PDB entry) |
| automated matches [190888] (2 species) not a true protein |
| Species Escherichia coli [TaxId:562] [360878] (1 PDB entry) |
| Species Human (Homo sapiens) [TaxId:9606] [188282] (33 PDB entries) |
Timeline for Family b.1.2.1: Fibronectin type III: