List of the counted superfamily hits for pattern ID: 20 (enumeration index: query9) of S3

List of the counted superfamily hits for pattern ID: 20 (enumeration index: query9) of S3

SCOP superfamily ID superfamiily description corresponding fold description
e.51.1Urocanase Urocanase 3 domains; d1: alpha+beta [alpha(2)-beta(3); mixed sheet: 213]; d2: alpha/beta of the NAD(P)-binding Rossmann-fold superfamily (scop_sf 51735, most similar to scop_fa 51883 and scop_fa 51736); d3: alpha+beta of the glutamine synthetase/guanido kinase fold (scop_cf 55930); d1 and d3 form a single beta-sheet
d.142.1Glutathione synthetase ATP-binding domain-like ATP-grasp Consists of two subdomains with different alpha+beta folds ! shares functional and structural similarities with the PIPK and protein kinase superfamilies
d.264.1Prim-pol domain Prim-pol domain consists of two alpha+beta domains
d.161.1ADC synthase the active site is formed by additional structures inserted into the core structure ! ADC synthase duplication: contains four repeats of alpha-beta(2)-beta motif arranged in a 4 layer core structure: alpha/beta/beta/alpha; orthogonally packed beta-sheets
e.15.1Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment Eukaryotic DNA topoisomerase I, N-terminal DNA-binding fragment 2 domains: alpha+beta and all-beta
d.131.1DNA clamp DNA clamp contains two helices and two beta sheets ! duplication: fold has internal pseudo two-fold symmetry
d.240.1Lesion bypass DNA polymerase (Y-family), little finger domain Lesion bypass DNA polymerase (Y-family), little finger domain beta-alpha-beta(2)-alpha-beta; antiparallel beta-sheet: order 1423; "reversed" ferredoxin-like topology
d.311.1ImmE5-like ImmE5-like alpha-beta(2)-alpha-beta; 2 layers, a/b; antiparallel beta-sheet, order 213
c.7.1PFL-like glycyl radical enzymes duplication: the N- and C-terminal halves have similar topologies ! PFL-like glycyl radical enzymes contains: barrel, closed; n=10, S=10; accommodates a hairpin loop inside the barrel
d.345.1NRDP1 C-terminal domain-like NRDP1 C-terminal domain-like alpha-beta-alpha(3)-beta(3); a pseudo barrel beta-sheet of an SH3-like topology, surrounded by helices
d.58.62Ribosomal protein L10-like consists of globular N-terminal domain, structurally similar to NDK, and the L7/L12-binding C-terminal alpha-helical tailFerredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2
d.115.1YrdC/RibB YrdC/RibB core: alpha-beta(2)-alpha-beta-alpha(2)-beta(2)-alpha-beta-alpha-beta; 3 layers; mixed twisted sheet of 7 strands; order 7126354; strands 7 and 1 are parallel to each other
d.220.1Metal cation-transporting ATPase, ATP-binding domain N Metal cation-transporting ATPase, ATP-binding domain N unusual fold; core: beta-alpha(2)-beta(3)-alpha(2)-beta(2); 6-stranded antiparallel beta-sheet, order: 165432
d.58.26GHMP Kinase, C-terminal domain common fold is elaborated with additional secondary structures ! Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2
d.45.1ClpS-like ClpS-like beta-alpha(2)-beta-alpha-beta; 2 layers, alpha/beta
d.280.1Sulfolobus fructose-1,6-bisphosphatase-like Sulfolobus fructose-1,6-bisphosphatase-like 4 layers: a/b/b/a; antiparallel beta sheets; similarities to ferredoxin-like fold (scop_cf 54861) in the N-terminal part (1-120) and to the Bacterial S-adenosylmethionine decarboxylase subunit (scop_fa 997656) in the C-terminal part (121-340)
e.18.1HydB/Nqo4-like HydB/Nqo4-like 3 domains: (1) all-alpha; (2&3) alpha+beta
d.198.4YdhG-like some similarity to YjbR-like (scop_sf 136320)Secretion chaperone-like alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta
d.282.1SSo0622-like the dimer, formed in the crystals, is a probable biological unit ! SSo0622-like alpha(2)-beta(2)-alpha-beta-alpha-beta(2)-alpha; 2 layers: a/b; antiparallel beta-sheet: order 21354; strands 1,3 and 5 and the C-terminal helix are longer than other secondary structures
d.193.1Hsp33 domain Hsp33 domain 3 layers: beta/alpha/beta; buried helix
d.90.1FMN-dependent nitroreductase-like FMN-dependent nitroreductase-like core: (alpha-beta-alpha-beta)2; 3 layers a/b/a; antiparallel beta-sheet: 1243
d.144.1Protein kinase-like (PK-like) shares functional and structural similarities with the ATP-grasp fold and PIPK ! Protein kinase-like (PK-like) consists of two alpha+beta domains, C-terminal domain is mostly alpha helical
e.1.1Serpins Serpins contains a cluster of helices and a beta-sandwich
d.133.1Molybdenum cofactor-binding domain duplication: consists of 4 structural repeats arranged in 2 lobes ! contains one left-hand beta-alpha-beta unit per lobe ! Molybdenum cofactor-binding domain beta(2)-alpha-beta-alpha-beta; 2 layers: a/b; mixed sheet: order 1243: crossing loops
d.211.2Plakin repeat repeats associate forming globular subdomains ! beta-hairpin-alpha-hairpin repeat multiple repeats of beta(2)-alpha(2) motif
d.346.1SARS Nsp1-like SARS Nsp1-like complex alpha+beta fold; contains mixed beta-sheet barrel, n=6, S=10
e.53.1QueA-like QueA-like 2 domains; d1 (1-64,174-335) [alpha/beta; 3 layers, a/b/a; mixed beta sheet of 9 strands, order: 219863457; strands 1, 5 and 8 are antiparallel to the rest]; d2 (65-142) [all-beta; barrel, closed (n=6, S=10); greek-key; topologically similar to the split barrel fold (scop_cf 50474)
c.117.1Amidase signature (AS) enzymes Amidase signature (AS) enzymes possible duplication: the topologies of N- and C-terminal halves are similar; 3 layers: a/b/a; single mixed beta-sheet of 10 strands, order 213549A867 (A=10); strands from 5 to 9 are antiparallel to the rest
d.91.1N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 N-terminal domain of eukaryotic peptide chain release factor subunit 1, ERF1 alpha-beta-alpha(2)-beta(3)-alpha; 3 layers a/b/a; antiparallel beta-sheet: 4123
a.129.1GroEL equatorial domain-like duplication: two 4-helical subdomains are related by a pseudo dyad passing through the ATP-binding site ! GroEL equatorial domain-like multihelical; 8 helices arranged in 2 parallel layers
c.83.1Aconitase iron-sulfur domain Aconitase iron-sulfur domain consists of three similar domains with 3 layers (a/b/a) each; duplication ! core: parallel beta-sheet of 5 strands, order 32145
d.112.1Phoshotransferase/anion transport protein Phoshotransferase/anion transport protein beta-alpha(2)-beta(3)-alpha(3); 3 layers, alpha/beta/alpha; mixed sheet: order 1342; loop crossing
d.150.14'-phosphopantetheinyl transferase possibly related to the IspF (4'-phosphopantetheinyl transferase beta-alpha(3)-beta(2) motif
c.52.4TBP-interacting protein-like contains extra C-terminal alpha+beta domain of complex fold with an embeded C2H2 zinc-fingerRestriction endonuclease-like core: 3 layers, a/b/a; mixed beta-sheet of 5 strands, order 12345; strands 2 &, in some families, 5 are antiparallel to the rest
c.73.1Carbamate kinase-like the sheet topology is similar to those of undecaprenyl diphosphate synthase and the N-terminal domain of phosphoglycerate kinase ! Carbamate kinase-like 3 layers: a/b/a; mixed (mainly parallel) beta-sheet of 8 strands, order 34215786; strand 8 is antiparallel to the rest
d.47.1Ribosomal L11/L12e N-terminal domain Ribosomal L11/L12e N-terminal domain beta-alpha(2)-beta(2); 2 layers, alpha/beta; antiparallel beta-sheet: order 123
b.118.1FAS1 domain FAS1 domain core: barrel, closed; n=7, S=12; meander
e.29.1beta and beta-prime subunits of DNA dependent RNA-polymerase The catalytic site is formed by the association of two double-psi beta-barrel domains, one from each subunit ! beta and beta-prime subunits of DNA dependent RNA-polymerase Multidomain subunits of complex domain organization
d.229.1MesJ substrate recognition domain-like MesJ substrate recognition domain-like beta-alpha(2)-beta(3); 2 layers: a/b; antiparallel beta-sheet, order:1432
d.55.1Ribosomal protein L22 some topological similarity to prokaryotic ribosomal protein L17 ! Ribosomal protein L22 beta-alpha(3)-beta(2); 2 layers: alpha/beta; related to the enolase/MLE N-domain fold by a circular permutation
d.370.1BTG domain-like BTG domain-like alpha(2)-beta-alpha(2)-beta(3); four-helical bundle, capped at one end by an antiparallel beta-sheet, order:1234
d.294.1EndoU-like similarity to the RNase A-like superfamily (EndoU-like comprises several helices and two three-stranded antiparallel beta-sheets; similar architecture to the RNase A-like fold (scop_cf 54075)
g.52.1Inhibitor of apoptosis (IAP) repeat Inhibitor of apoptosis (IAP) repeat metal(zinc)-bound alpha+beta fold
d.298.1RelE-like Toxin component of plasmid stabilisation system ! RelE-like beta-alpha(2)-beta(4), 2 layers; a/b, antiparallel beta-sheet; order 15432
e.50.1AF1104-like AF1104-like 2 domains; d1: [all-alpha; 3-helical bundle, similar to the immunoglobulin/albumin-binding domain-like fold (scop_cf 46996)]; d2: [alpha/beta; 3 layers, a/b/a; 6-stranded mixed beta-sheet, order: 321456, strand 6 is antiparallel to the rest]
d.58.32FAD-linked oxidases, C-terminal domain duplication: contains two subdomains of this fold ! Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2
d.313.1Prenyltransferase-like the barrel channel harbours the substrate-binding site ! Antiparallel beta/alpha barrel (PT-barrel) tandem repeat of five alpha(2)-beta(2) motifs; antiparallel beta-sheet barrel, closed; n=10, S=10; order 123456789A; there is a channel along the barrel axis
d.328.1CorA soluble domain-like CorA soluble domain-like beta(2)-alpha-beta-alpha(2)-beta(4)-alpha(3); 3 layers: a/b/a; mixed beta-sheet, order 2137654; strands 3 and 7 are parallel
d.73.1RuBisCO, small subunit RuBisCO, small subunit alpha-beta(2)-alpha-beta(2); 2 layers, alpha/beta
c.152.1CbiG N-terminal domain-like probable biological unit is a homodimer; putative active site is formed by residues from both subunitsCbiG N-terminal domain-like 3 layers: a/b/a; mixed beta-sheet of 6 strands, order 213456, strand 5 is antiparallel to the rest
d.29.1Ribosomal protein L31e Ribosomal protein L31e beta-alpha-beta-(alpha)-beta(2); 2 layers: alpha/beta; mixed beta-sheet, order: 1342
c.90.1Tetrapyrrole methylase Tetrapyrrole methylase consists of two non-similar domains ! Domain 1 has parallel sheet of 5 strands, order 32415 ! Domain 2 has mixed sheet of 5 strands, order 12534; strands 4 & 5 are antiparallel to the rest
d.67.2Arginyl-tRNA synthetase (ArgRS), N-terminal 'additional' domain RRF/tRNA synthetase additional domain-like core: alpha-beta(2)-alpha-beta(2); 2 layers: alpha/beta
d.143.1SAICAR synthase-like shares functional and structural similarities with the ATP-grasp fold and protein kinase superfamilies ! SAICAR synthase-like consists of two alpha+beta subdomains
a.160.1PAP/OAS1 substrate-binding domain this domain follows the catalytic nucleotidyltransferase domain ! PAP/OAS1 substrate-binding domain core: 5-helical bundle; up-and-down; right-handed twist
d.275.1Hut operon positive regulatory protein HutP Hut operon positive regulatory protein HutP alpha(2)-beta-alpha(2)-beta(3); 3 layers: a/b/a; antiparallel beta-sheet: order 1234
e.6.1Acyl-CoA dehydrogenase NM domain-like flavoprotein: binds FAD; constituent families differ in the numbers of C-terminal domains (four-helical bundles) ! Acyl-CoA dehydrogenase NM domain-like 2 domains: (1) all-alpha: 5 helices; (2) contains an open beta-sheet barrel: n*=5, S*=8; complex topology
a.209.1ADP-ribosylglycohydrolase ADP-ribosylglycohydrolase multihelical; bundle
e.55.1Rap/Ran-GAP Rap/Ran-GAP consists of two domains; d1: alpha+beta (78-190; alpha-beta(4)-alpha-beta-alpha; 3 layers; antiparallel beta-sheet of 5 strands; order 51234); d2: alpha/beta similar to the G-domain fold (191-381; scop_fa 52592)
d.56.1GroEL-intermediate domain like GroEL-intermediate domain like 3-helical bundle packed against 3-stranded mixed beta-sheet
d.340.1CofE-like CofE-like consists of two different domains; d1: beta-alpha-beta-alpha-beta(2)-alpha-beta, mixed sheet of 5 strands, order:15234, strands 2 and 3 are parralel; d2 is inserted in d1 after strand 2 and comprises a helix-turn-helix motif and two 3-stranded sheets
e.41.1Adenylylcyclase toxin (the edema factor) Domain 1 has topological and active site similarity to the Nucleotidyltransferases (eg. 1kny N-domain); domain 3 binds calmodulin ! Adenylylcyclase toxin (the edema factor) 3 domains: (1&2) alpha+beta, with domain 2 being inserted in domain 1; (3) all-alpha
d.296.1YktB/PF0168-like YktB/PF0168-like alpha-beta(4)-alpha-beta(2)-alpha-beta-alpha; 2 layers, a/b; antiparallel beta-sheet, order: 1234756; half-barrel shape; topological similarity to the MotA C-terminal domain-like fold (scop_cf 69651) and the Secretion chaperone-like fold (scop_cf 69634)
d.276.1Hypothetical protein yfbM Hypothetical protein yfbM beta-alpha(2)-beta-alpha(2)-beta(2)-alpha(n)-beta; 3 layers: a/b/a; antiparallel beta-sheet, order: 21543
d.197.1Protein-L-isoaspartyl O-methyltransferase, C-terminal domain Protein-L-isoaspartyl O-methyltransferase, C-terminal domain beta-alpha-beta(4)-alpha-beta(2); 3 layers: beta/alpha/beta; buried helix
e.7.1Carbohydrate phosphatase Carbohydrate phosphatase N-terminal domain is an alpha+beta, C-terminal domain is an alpha/beta with mixed beta-sheet
f.1.5Exotoxin A, middle domain Toxins' membrane translocation domains multi-helical domains of various folds which is thought to unfold in the membrane
c.56.1HybD-like the HybD fold coincides with the consensus core structure ! Phosphorylase/hydrolase-like core: 3 layers, a/b/a ; mixed sheet of 5 strands: order 21354; strand 4 is antiparallel to the rest; contains crossover loops
d.36.1Chalcone isomerase Chalcone isomerase beta(3)-alpha(2)-beta-alpha(2)-beta3; 2 layers alpha/beta; antiparallel sheet: order 1234567
e.24.1Ribosomal protein L1 Ribosomal protein L1 2 domains: (1) alpha+beta; (2) alpha/beta (interrupts domain 1)
e.2.1Replication terminator protein (Tus) Replication terminator protein (Tus) contains a cluster of helices and a beta-sandwich
d.283.1Putative modulator of DNA gyrase, PmbA/TldD Putative modulator of DNA gyrase, PmbA/TldD consists of two different alpha+beta domains; d1: [duplication of alpha-beta(3)-alpha motif; 2 layers: a/b; antiparallel beta-sheet, order: 321456; strands 1, 2, 4 and 5 are twice longer than other secondary structures]; d2 [ complex fold; contains beta-barrel (n=5, S=10)]
a.102.2Seven-hairpin glycosidases alpha/alpha toroid multihelical; up to seven alpha-hairpins are arranged in closed circular array; there may be sequence similarities between different superfamilies
e.72.1SSO1389-like SSO1389-like 2 domains; d1: [alpha/beta, central parallel beta-sheet of 6 strands, order 321456, Rossmann-like]; d2: [alpha+beta, cluster of helices and a small 4-stranded beta-sheet]
d.58.47Hypothetical protein VC0424 Ferredoxin-like alpha+beta sandwich with antiparallel beta-sheet; (beta-alpha-beta)x2
c.111.1Activating enzymes of the ubiquitin-like proteins transfer adenylyl group to the C-terminal carboxyl group of the ubiquitin and MoaD/ThiS-related proteins ! the ATP nucleotide-binding site is similar to that of the NAD-binding Rossmann-folds ! Activating enzymes of the ubiquitin-like proteins 3 layers: a/b/a; mixed beta-sheet of 8 strands, order 32145678; strands 6 and 8 are antiparallel to the rest
e.48.1Major capsid protein VP5 Major capsid protein VP5 large protein without apparent domain division
d.310.1VC0467-like VC0467-like complex fold; contains bifurcated beta-sheet structure folded into pseudo barrel
d.142.2DNA ligase/mRNA capping enzyme, catalytic domain has a circularly permuted topology ! ATP-grasp Consists of two subdomains with different alpha+beta folds ! shares functional and structural similarities with the PIPK and protein kinase superfamilies
d.123.1Sporulation response regulatory protein Spo0B Histidine kinase-like fold lacking the kinase ATP-binding site ! Sporulation response regulatory protein Spo0B core: alpha-beta-alpha-beta(2)-(alpha)-beta(2)
c.32.1Tubulin nucleotide-binding domain-like Tubulin nucleotide-binding domain-like 3 layers: a/b/a; parallel beta-sheet of 6 strands, order 321456
c.70.1Nucleoside hydrolase Nucleoside hydrolase core: 3 layers, a/b/a ; mixed beta-sheet of 8 strands, order 32145687; strand 7 is antiparallel to the rest
g.90.1E6 C-terminal domain-like E6 C-terminal domain-like alpha+beta zinc-binding fold with topological similarity to the fold of lambda cro protein
e.28.1Reovirus inner layer core protein p3 Reovirus inner layer core protein p3 large protein without apparent domain division; has a number of all-alpha regions and one all beta domain near the C-end
d.135.1The spindle assembly checkpoint protein mad2 N- and C-termini undergo large conformational rearrangement upon ligand binding ! The spindle assembly checkpoint protein mad2 core: alpha(2)-beta(2)-alpha-beta; mixed sheet: order 213
d.248.1Coproporphyrinogen III oxidase Coproporphyrinogen III oxidase alpha-beta(6)-alpha(2)-beta-alpha(n); 3 layers alpha/beta/alpha; antiparallel sheet: order 1234567
c.150.1EreA/ChaN-like there are four conserved residues in the putative active site: two His and two GluEreA/ChaN-like Core: 3 layers: a/b/a; parallel beta-sheet of 5 strands, order:51423;
d.103.1CytB endotoxin-like CytB endotoxin-like core: beta-alpha(2)-beta-alpha(2)-beta(4); 3 layers: a/b/a
d.7.1LysM domain LysM domain beta-alpha(2)-beta; antiparallel strands
e.13.1DNA primase core DNA primase core 2 domains: (1) alpha+beta; (2) toprim alpha/beta
d.178.1Aromatic aminoacid monoxygenases, catalytic and oligomerization domains Aromatic aminoacid monoxygenases, catalytic and oligomerization domains unusual fold
d.179.1Substrate-binding domain of HMG-CoA reductase Substrate-binding domain of HMG-CoA reductase unusual fold
d.261.1Hypothetical protein PH1602 Hypothetical protein PH1602 complex alpha+beta fold; contains a region of similarity to the ferredoxin-like fold
e.17.1D-aminoacid aminotransferase-like PLP-dependent enzymes D-aminoacid aminotransferase-like PLP-dependent enzymes 2 domains: (1) alpha+beta: beta3-alpha2-beta2; (2) alpha/beta, a part of its mixed sheet forms barrel: n=6, S=8
d.213.1VSV matrix protein VSV matrix protein beta-alpha(2)-beta(4)-alpha-beta(2); two layers: alpha/beta; bifurcated coiled beta-sheet: order of the first 5 strands: 23154
d.110.10YNR034W-A-like Profilin-like core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha
d.163.1DNA breaking-rejoining enzymes DNA breaking-rejoining enzymes core: alpha3-beta3-alpha4; one side of beta-sheet is exposed
d.309.1AMMECR1-like AMMECR1-like duplication; contains two beta(2)-alpha-beta(2) structural repeats, swapped with C-terminal strands; extra N-terminal helix and C-terminal strand
b.23.3Acetamidase/Formamidase-like decorated fold with additional structures; contains extra C-terminal alpha+beta subdomain: beta(2)-alpha(2)-beta(2): antiparallel beta-sheet, order 1243 ! CUB-like sandwich, 10 strands in 2 sheets; jelly-roll
b.8.1TRAF domain-like has a circularly permuted immunoglobulin-fold topology with extra strand ! TRAF domain-like sandwich; 8 strands in 2 sheets; greek-key
d.335.1L,D-transpeptidase pre-catalytic domain-like L,D-transpeptidase pre-catalytic domain-like unusual fold, made of four helices and four 2-3 stranded beta-sheets
d.320.1YojJ-like YojJ-like alpha-beta-X-beta-alpha-beta(2)-alpha-beta(3); 3 layers: a/b/a; 7-stranded mixed beta-sheet, order 2431567; strands 1 and 3 are parallel to each other
e.44.12-methylcitrate dehydratase PrpD 2-methylcitrate dehydratase PrpD consists of an all-alpha and alpha+beta domains
d.52.5Probable GTPase Der, C-terminal domain possible distant relative of the Era C-terminal domain lacking the KH motif ! Alpha-lytic protease prodomain-like core: alpha-beta(2)-(alpha)-beta; 2 layers: alpha/beta
d.117.1Thymidylate synthase/dCMP hydroxymethylase Thymidylate synthase/dCMP hydroxymethylase contains large mixed beta-sheet
g.78.1YAP1 redox domain YAP1 redox domain bipartite cysteine-rich all-alpha domain; a single helix in the N-terminal part (chain A) is linked by disulfides to the C-terminal part (chain B) [3-helical bundle of the RuvA C-terminal domain-like fold (scop_cf 46928)
d.259.1Hypothetical protein HI1480 Hypothetical protein HI1480 beta-alpha(4)-beta-alpha-beta; segregated alpha-helical and beta-sheet subdomains; dimeric beta-sheet barrel: n=6, S=10
a.127.1L-aspartase-like L-aspartase-like multihelical, consists of three all-alpha domains
d.17.7Putative dsDNA mimic elaborated with additional structures; some similarity to Uracil-DNA glycosylase (UGI) and Nuclease A (NuiA) inhibitors ! Cystatin-like Core: alpha-beta(4); helix packs against coiled antiparallel beta-sheet
a.117.1Ras GEF Ras GEF multihelical
d.302.1Coronavirus NSP8-like Coronavirus NSP8-like core: alpha-beta(2)-alpha-beta(4)-alpha-beta; bifurcated barrel-like beta-sheet
a.296.1PMT central region-like PMT central region-like multihelical; comprises two four-helical bundles of different topologies and an irregular helical array packed against a small beta-sheet
c.1.3Thiamin phosphate synthase TIM beta/alpha-barrel contains parallel beta-sheet barrel, closed; n=8, S=8; strand order 12345678 ! the first seven superfamilies have similar phosphate-binding sites
a.118.4Lipovitellin-phosvitin complex, superhelical domain alpha-alpha superhelix multihelical; 2 (curved) layers: alpha/alpha; right-handed superhelix
c.119.1DAK1/DegV-like domain folds and architecture show some similarity to the tubulin-like GTPases; the nucleotide-binding sites of the Dihydroxyacetone kinase and tubulin families are different ! DAK1/DegV-like 2 different domains; d1: [core: 3 layers, a/b/a; parallel sheet of 5 strands, order: 2134]; D2: [2 layers, a/b; mixed sheet of 6 strands, order 321645; strands 2 and 6 are antiparallel to the rest]
e.75.1flu NP-like Flu NP-like consists of alpha+beta and all-alpha domains; biological unit is a trimer
a.2.1GreA transcript cleavage protein, N-terminal domain Long alpha-hairpin 2 helices; antiparallel hairpin, left-handed twist