Class a: All alpha proteins Class e: Multi-domain proteins (alpha and beta) Class i: Low resolution protein structures
Class b: All beta proteins Class f: Membrane and cell surface proteins and peptides Class j: Peptides
Class c: Alpha and beta proteins (a/b) Class g: Small proteins Class k: Designed proteins
Class d: Alpha and beta proteins (a+b) Class h: Coiled coil proteins SCOP Classes with more than 5 compatible hydrophobic patterns

Class: All alpha proteins

Folds

  • 4-helical cytokines
  • 6-phosphogluconate dehydrogenase C-terminal domain-like
  • A DNA-binding domain in eukaryotic transcription factors
  • A virus capsid protein alpha-helical domain
  • Acid phosphatase/Vanadium-dependent haloperoxidase
  • Acyl carrier protein-like
  • Acyl-CoA binding protein-like
  • Aldehyde ferredoxin oxidoreductase, C-terminal domains
  • alpha/alpha toroid
  • alpha-2-Macroglobulin receptor associated protein (RAP) domain 1
  • alpha-alpha superhelix
  • An anticodon-binding domain of class I aminoacyl-tRNA synthetases
  • Anaphylotoxins (complement system)
  • Annexin
  • Another 3-helical bundle
  • Antibiotic binding domain of TipA-like multidrug resistance regulators
  • Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases
  • Antioxidant defence protein AhpD
  • Anti-sigma factor AsiA
  • Antitermination factor NusB
  • Apolipophorin-III
  • Arp2/3 complex 21 kDa subunit ARPC3
  • Bcr-Abl oncoprotein oligomerization domain
  • BEACH domain
  • beta-catenin-interacting protein ICAT
  • Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
  • BRCA2 helical domain
  • BRCA2 tower domain
  • Bromodomain-like
  • Carbamoyl phosphate synthetase, large subunit connection domain
  • CH domain-like
  • Chemotaxis receptor methyltransferase CheR, N-terminal domain
  • Chorismate mutase II
  • Citrate synthase
  • Class II MHC-associated invariant chain ectoplasmic trimerization domain
  • CO dehydrogenase ISP C-domain like
  • Crustacean CHH/MIH/GIH neurohormone
  • Cryptochrome/photolyase FAD-binding domain
  • C-terminal domain of B transposition protein
  • C-terminal domain of DFF45/ICAD (DFF-C domain)
  • Cyclin-like
  • Cytochrome c
  • Cytochrome c oxidase subunit h
  • Cytochrome P450
  • DBL homology domain (DH-domain)
  • DEATH domain
  • Di-copper centre-containing domain
  • Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit
  • Disulphide-bond formation facilitator (DSBA), insertion domain
  • DNA polymerase III clamp loader subunits, C-terminal domain
  • DNA repair protein MutS, domain III
  • DNA/RNA-binding 3-helical bundle
  • DNA-glycosylase
  • Domain of early E2A DNA-binding protein, ADDBP
  • Domain of poly(ADP-ribose) polymerase
  • Double Clp-N motif
  • Ectatomin subunits
  • EF Hand-like
  • ERP29 C domain-like
  • Fatty acid responsive transcription factor FadR, C-terminal domain
  • F-box domain
  • Ferritin-like
  • Fertilization protein
  • FIS-like
  • Flagellar transcriptional activator FlhD
  • Four-helical up-and-down bundle
  • Frizzled cystein-rich domain
  • Functional domain of the splicing factor Prp18
  • Fungal elicitin
  • Gametocyte protein Pfg27
  • GatB/YqeY domain
  • GEF domain of SopE toxin
  • gene 59 helicase assembly protein
  • Globin-like
  • Glutamyl tRNA-reductase dimerization domain
  • Glutathione S-transferase (GST), C-terminal domain
  • GroEL equatorial domain-like
  • GTPase activation domain, GAP
  • Guanido kinase N-terminal domain
  • Helical scaffold and wing domains of SecA
  • Helix-loop-helix DNA-binding domain
  • Heme oxygenase
  • Heme-dependent peroxidases
  • Hemocyanin, N-terminal domain
  • Hepatitis B viral capsid (hbcag)
  • Histone-fold
  • HMG-box
  • H-NS histone-like proteins
  • IHF-like DNA-binding proteins
  • immunoglobulin/albumin-binding domain-like
  • Influenza virus matrix protein M1
  • Interferon-induced guanylate-binding protein 1 (GBP1), C-terminal domain
  • Iron-dependent represor protein, dimerization domain
  • Kix domain of CBP (creb binding protein)
  • lambda repressor-like DNA-binding domains
  • L-aspartase-like
  • Left-handed superhelix
  • LEM/SAP HeH motif
  • LigA subunit of an aromatic-ring-opening dioxygenase LigAB
  • Lipoxigenase
  • Long alpha-hairpin
  • MDM2
  • Met repressor-like
  • Methionine synthase domain-like
  • Methyl-coenzyme M reductase alpha and beta chain C-terminal domain
  • Multiheme cytochromes
  • Myosin phosphatase inhibitor 17kDa protein, CPI-17
  • N-cbl like
  • Non-globular all-alpha subunits of globular proteins
  • Nop domain
  • N-terminal domain of bifunctional PutA protein
  • N-terminal domain of DnaB helicase
  • N-terminal domain of the delta subunit of the F1F0-ATP synthase
  • N-terminal, cytoplasmic domain of anti-sigmaE factor RseA
  • Nuclear receptor coactivator interlocking domain
  • Nuclear receptor ligand-binding domain
  • Open three-helical up-and-down bundle
  • Orange carotenoid protein, N-terminal domain
  • p53 tetramerization domain
  • p8-MTCP1
  • PABP domain-like
  • PAH2 domain
  • PDEase
  • Peridinin-chlorophyll protein
  • Peripheral subunit-binding domain of 2-oxo acid dehydrogenase complex
  • PGBD-like
  • Phospholipase A2, PLA2
  • Phospholipase C/P1 nuclease
  • Poly(A) polymerase, middle domain
  • Porin chaperone SurA, peptide-binding domain
  • Pre-protein croslinking domain of SecA
  • Protein HNS-dependent expression A; HdeA
  • Protozoan pheromone proteins
  • PTS-regulatory domain, PRD
  • Putative DNA-binding domain
  • R1 subunit of ribonucleotide reductase, N-terminal domain
  • Ras GEF
  • Regulator of G-protein signalling, RGS
  • Replisome organizer (g39p helicase loader/inhibitor protein)
  • Repressor of bacterial conjugation FinO
  • Retroviral matrix proteins
  • Retrovirus capsid protein, N-terminal core domain
  • Ribosomal protein L19 (L19e)
  • Ribosomal protein L7/12, oligomerisation (N-terminal) domain
  • Ribosomal protein S7
  • RNA polymerase omega subunit
  • RNase III endonuclease catalytic domain
  • ROP-like
  • RuBisCo LSMT C-terminal, substrate-binding domain
  • RuvA C-terminal domain-like
  • S13-like H2TH domain
  • S15/NS1 RNA-binding domain
  • SAM domain-like
  • Saposin-like
  • Scaffolding protein gpD of bacteriophage procapsid
  • Serum albumin-like
  • Sigma2 domain of RNA polymerase sigma factors
  • Signal peptide-binding domain
  • SinR repressor dimerisation domain-like
  • Skp1 dimerisation domain-like
  • Soluble domain of poliovirus core protein 3a
  • Spectrin repeat-like
  • STAT-like
  • T4 endonuclease V
  • TAF(II)230 TBP-binding fragment
  • Telomeric repeat binding factor (TRF) dimerisation domain
  • Terpenoid synthases
  • Tetracyclin repressor-like, C-terminal domain
  • Tetraspanin
  • Thermostable subdomain from chicken villin headpiece
  • TorA specific chaperone TorD
  • Transcription factor IIA (TFIIA), alpha-helical domain
  • Transcription factor STAT-4 N-domain
  • Transducin (alpha subunit), insertion domain
  • tRNA CCA-adding enzyme, C-terminal domains
  • Type I dockerin domain
  • Uteroglobin-like
  • Variable surface antigen VlsE
  • Wiscott-Aldrich syndrome protein, WASP, C-terminal domain


    Class a: All alpha proteins Class e: Multi-domain proteins (alpha and beta) Class i: Low resolution protein structures
    Class b: All beta proteins Class f: Membrane and cell surface proteins and peptides Class j: Peptides
    Class c: Alpha and beta proteins (a/b) Class g: Small proteins Class k: Designed proteins
    Class d: Alpha and beta proteins (a+b) Class h: Coiled coil proteins