SCOP ID Superfamily # of Members Fold Class
56845 Diphtheria toxin, middle domain 1 Toxins' membrane translocation domains Membrane and cell surface proteins and peptides
56864 Exotoxin A, middle domain 1 Toxins' membrane translocation domains Membrane and cell surface proteins and peptides
56931 Outer membrane phospholipase A (OMPLA) 1 Transmembrane beta-barrels Membrane and cell surface proteins and peptides
69922 Head and neck region of the ectodomain of NDV fusion glycoprotein 1 Head and neck region of the ectodomain of NDV fusion glycoprotein Membrane and cell surface proteins and peptides
81327 Small-conductance potassium channel 1 Small-conductance potassium channel Membrane and cell surface proteins and peptides
81330 Gated mechanosensitive channel 1 Gated mechanosensitive channel Membrane and cell surface proteins and peptides
81336 F1F0 ATP synthase subunit A 1 F1F0 ATP synthase subunit A Membrane and cell surface proteins and peptides
81340 Clc chloride channel 1 Clc chloride channel Membrane and cell surface proteins and peptides
81345 ABC transporter involved in vitamin B12 uptake, BtuC 1 ABC transporter involved in vitamin B12 uptake, BtuC Membrane and cell surface proteins and peptides
81406 Mitochondrial cytochrome c oxidase subunit IV 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81411 Mitochondrial cytochrome c oxidase subunit VIa 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81415 Mitochondrial cytochrome c oxidase subunit VIc 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81419 Mitochondrial cytochrome c oxidase subunit VIIa 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81423 Mitochondrial cytochrome c oxidase subunit VIIb 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81427 Mitochondrial cytochrome c oxidase subunit VIIc (aka VIIIa) 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81431 Mitochondrial cytochrome c oxidase subunit VIIIb (aka IX) 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81469 Bacterial aa3 type cytochrome c oxidase subunit IV 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81473 Bacterial ba3 type cytochrome c oxidase subunit IIa 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81496 Cytochrome c1 subunit of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase), transmembrane anchor 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81518 Subunit XI (6.4 kDa protein) of cytochrome bc1 complex (Ubiquinol-cytochrome c reductase) 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81536 Subunit III of photosystem I reaction centre, PsaF 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81540 Subunit VIII of photosystem I reaction centre, PsaI 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81544 Subunit IX of photosystem I reaction centre, PsaJ 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81548 Subunit XII of photosystem I reaction centre, PsaM 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81552 Subunit PsaX of photosystem I reaction centre 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81558 Photosystem I subunits PsaA/PsaB 1 Photosystem I subunits PsaA/PsaB Membrane and cell surface proteins and peptides
81563 Photosystem I reaction center subunit X, PsaK 1 Photosystem I reaction center subunit X, PsaK Membrane and cell surface proteins and peptides
81573 F1F0 ATP synthase subunit B, membrane domain 1 Single transmembrane helix Membrane and cell surface proteins and peptides
81597 Iron-sulfur subunit of formate dehydrogenase N, transmembrane anchor 1 Single transmembrane helix Membrane and cell surface proteins and peptides
82861 Mechanosensitive channel protein MscS (YggB), transmembrane region 1 Mechanosensitive channel protein MscS (YggB), transmembrane region Membrane and cell surface proteins and peptides
103431 Cytochrome f subunit of the cytochrome b6f complex, transmembrane anchor 1 Single transmembrane helix Membrane and cell surface proteins and peptides
103446 PetG subunit of the cytochrome b6f complex 1 Single transmembrane helix Membrane and cell surface proteins and peptides
103451 PetN subunit of the cytochrome b6f complex 1 Single transmembrane helix Membrane and cell surface proteins and peptides
103464 Oligosaccharyltransferase subunit ost4p 1 Single transmembrane helix Membrane and cell surface proteins and peptides
103501 Respiratory nitrate reductase 1 gamma chain 1 Heme-binding four-helical bundle Membrane and cell surface proteins and peptides
103515 Autotransporter 1 Transmembrane beta-barrels Membrane and cell surface proteins and peptides
111357 Mitochondrial ATP synthase coupling factor 6 1 Mitochondrial ATP synthase coupling factor 6 Membrane and cell surface proteins and peptides
111364 Tsx-like channel 1 Transmembrane beta-barrels Membrane and cell surface proteins and peptides
111379 VP4 membrane interaction domain 1 VP4 membrane interaction domain Membrane and cell surface proteins and peptides
111384 OmpH-like 1 OmpH-like Membrane and cell surface proteins and peptides
118215 Proton glutamate symport protein 1 Proton glutamate symport protein Membrane and cell surface proteins and peptides
118220 Connexin43 1 Connexin43 Membrane and cell surface proteins and peptides
144083 Magnesium transport protein CorA, transmembrane region 1 Transmembrane helix hairpin Membrane and cell surface proteins and peptides
158212 Htr2 transmembrane domain-like 1 Transmembrane helix hairpin Membrane and cell surface proteins and peptides
161017 Photosystem II reaction center protein L, PsbL 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161021 Photosystem II reaction center protein J, PsbJ 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161025 Photosystem II 10 kDa phosphoprotein PsbH 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161029 Photosystem II reaction center protein T, PsbT 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161033 Photosystem II reaction center protein M, PsbM 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161037 Photosystem II reaction center protein K, PsbK 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161041 Photosystem II reaction center protein I, PsbI 1 Single transmembrane helix Membrane and cell surface proteins and peptides
161055 PsbZ-like 1 Transmembrane helix hairpin Membrane and cell surface proteins and peptides
161060 ATP synthase B chain-like 1 ATP synthase B chain-like Membrane and cell surface proteins and peptides
161065 ATP synthase D chain-like 1 ATP synthase D chain-like Membrane and cell surface proteins and peptides
161093 MgtE membrane domain-like 1 MgtE membrane domain-like Membrane and cell surface proteins and peptides
161111 Cation efflux protein transmembrane domain-like 1 Cation efflux protein transmembrane domain-like Membrane and cell surface proteins and peptides
254122 Anthrax protective antigen C-terminal-like 1 Anthrax protective antigen C-terminal-like Membrane and cell surface proteins and peptides
267599 Photosystem II reaction center protein X, PsbX 1 Single transmembrane helix Membrane and cell surface proteins and peptides
267600 Photosystem II reaction center protein ycf12 1 Single transmembrane helix Membrane and cell surface proteins and peptides
267604 Ligand-gated ion channels 1 Gated ion channels Membrane and cell surface proteins and peptides
310574 Sodium/potassium-transporting ATPase, beta subunit transmembrane helix 1 Single transmembrane helix Membrane and cell surface proteins and peptides
310600 Diacylglycerol kinase (DgkA)-like 1 Diacylglycerol kinase (DgkA)-like Membrane and cell surface proteins and peptides
418747 Filovirus surface glycoprotein-like 1 Filovirus surface glycoprotein-like Membrane and cell surface proteins and peptides
418748 Vacuolar ATP synthase subunit a (also called I subunit) C-terminal domain 1 Vacuolar ATP synthase subunit a (also called I subunit) C-terminal domain Membrane and cell surface proteins and peptides
418756 DUF3412 domain 1 Anoctamin (TMEM16)-like Membrane and cell surface proteins and peptides