Structural Classification of Proteins
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Fold: Profilin-like

core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha

Lineage:

  1. Root: scop
  2. Class: Alpha and beta proteins (a+b) [53931]
    Mainly antiparallel beta sheets (segregated alpha and beta regions)
  3. Fold: Profilin-like [55769]
    core: 2 alpha-helices and 5-stranded antiparallel sheet: order 21543; 3 layers: alpha/beta/alpha

Superfamilies:

  1. Profilin (actin-binding protein) [55770] (1)
    alpha-beta(2)-alpha-beta(5)-alpha
    link to SUPERFAMILY database - Superfamily
    1. Profilin (actin-binding protein) [55771] (8)
      1. Profilin (actin-binding protein) [55772]
        1. Cow (Bos taurus) [TaxId: 9913] [55773] (3) picpic
        2. Human (Homo sapiens), isoform I [TaxId: 9606] [55774] (9) picpic
        3. Human (Homo sapiens), isoform II [TaxId: 9606] [55775] (1) picpic
        4. Acanthamoeba castellanii [TaxId: 5755] [55776] (5) picpic
        5. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [55777] (2) picpic
        6. Birch (Betula verrucosa) [TaxId: 3505] [55778] (1) picpic
        7. Mouse-ear cress (Arabidopsis thaliana) [TaxId: 3702] [55779] (2) picpic
        8. Para rubber tree (Hevea brasiliensis), hevb8 [TaxId: 3981] [55780] (1) picpic
  2. GAF domain-like [55781] (4)
    alpha(2)-beta(3)-alpha-beta(3)-alpha; antiparallel beta-sheet: order 321654
    link to SUPERFAMILY database - Superfamily
    1. GAF domain [55782] (8)
      1. Hypothetical protein ykl069wp [55783]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [55784] (1) picpic
      2. 3',5'-cyclic nucleotide phosphodiesterase 2A, GAF A and GAF B domains [82760]
        GAF B is the nucleotide binding domain; the two domains are connected with a long helix;
        1. Mouse (Mus musculus) [TaxId: 10090] [82761] (1) picpic
      3. Hypothetical protein YebR [103182]
        1. Escherichia coli [TaxId: 562] [103183] (1) picpic
      4. Sensor protein PhyB2 [160655]
        1. Rhodopseudomonas palustris [TaxId: 1076] [160656] (2) picpic
          SQ Q6N5G2 140-333
      5. Phytochrome-like protein Cph1 [160657]
        1. Synechocystis sp. pcc 6803 [TaxId: 1148] [160658] (1) picpic
          SQ Q55168 131-326
      6. Sensor protein CYB2465 [160659]
        1. Synechococcus sp. [TaxId: 1131] [160660] (1) picpic
          SQ Q2JIZ5 31-200
      7. Bacteriophytochrome BphP [160661]
        1. Pseudomonas aeruginosa [TaxId: 287] [160662] (8) picpic
          SQ Q9HWR3 118-309
        2. Deinococcus radiodurans [TaxId: 1299] [160663] (3) picpic
          SQ Q9RZA4 135-321! SQ Q9RZA4 137-325
    2. IclR ligand-binding domain-like [75513] (3)
      Pfam 01614
      1. Transcriptional regulator IclR, C-terminal domain [75514]
        1. Thermotoga maritima [TaxId: 2336] [75515] (1) picpic
        2. Escherichia coli [TaxId: 562] [111112] (9) picpic
          SQ P16528 98-272
      2. Transcriptional regulator AllR, C-terminal domain [111113]
        1. Escherichia coli [TaxId: 562] [111114] (1) picpic
          SQ P77734 97-269
    3. HrcA C-terminal domain-like [111115] (1)
      Pfam 01628; contains insert domain (140-229) of the Enolase N-terminal domain-like fold (scop_cf 54825)
      1. Heat-inducible transcription repressor HrcA, C-terminal domain [111116]
        1. Thermotoga maritima [TaxId: 2336] [111117] (1) picpic
          SQ Q9WZV5
    4. Phytochrome-specific domain [160664] (2)
      Pfam 00360
      1. Bacteriophytochrome BphP [160665]
        1. Pseudomonas aeruginosa [TaxId: 287] [160666] (8) picpic
          SQ Q9HWR3 310-494
      2. Phytochrome-like protein Cph1 [160667]
        1. Synechocystis sp. pcc 6803 [TaxId: 1148] [160668] (1) picpic
          SQ Q55168 327-514
  3. PYP-like sensor domain (PAS domain) [55785] (7)
    alpha-beta(2)-alpha(2)-beta(3)
    link to SUPERFAMILY database - Superfamily
    1. PYP-like [55786] (2)
      1. Photoactive yellow protein, PYP [55787]
        1. Ectothiorhodospira halophila [TaxId: 1053] [55788] (43) picpic
          SQ P16113
      2. PYP domain of sensor histidine kinase Ppr [82762]
        1. Rhodospirillum centenum [TaxId: 34018] [82763] (1) picpic
    2. Heme-binding PAS domain [55789] (3)
      1. Histidine kinase FixL heme domain [55790]
        1. Rhizobium meliloti [TaxId: 382] [55791] (2) picpic
        2. Bradyrhizobium japonicum [TaxId: 375] [55792] (17) picpic
          SQ P23222 152-270
      2. Direct oxygen sensor protein, DOS [111118]
        Heme-regulated cyclic AMP phosphodiesterase; formerly hypothetical protein YddU
        1. Escherichia coli [TaxId: 562] [111119] (6) picpic
          SQ P76129 8-126 ! SQ P76129 12-124
    3. Flavin-binding PAS domain [88853] (3)
      contains PAC motif
      1. Photoreceptor phy3 flavin-binding domain, lov2 [64354]
        1. Maidenhair fern (Adiantum capillus-veneris) [TaxId: 13818] [64355] (2) picpic
      2. Putative blue light receptor, phot-lov1 domain [90017]
        1. Green algae (Chlamydomonas reinhardtii) [TaxId: 3055] [90018] (3) picpic
      3. Erg potassium channel, N-terminal domain [55794]
        1. Human (Homo sapiens) [TaxId: 9606] [55795] (1) picpic
    4. N-terminal PAS domain of Pas kinase [82764] (1)
      1. N-terminal PAS domain of Pas kinase [82765]
        1. Human (Homo sapiens) [TaxId: 9606] [82766] (1) picpic
    5. Hypoxia-inducible factor Hif2a, C-terminal domain [103184] (1)
      contains PAC motif
      1. Hypoxia-inducible factor Hif2a, C-terminal domain [103185]
        endothelial pas domain protein 1, EPAS-1
        1. Human (Homo sapiens) [TaxId: 9606] [103186] (1) picpic
    6. PAS domain of steroid receptor coactivator 1A, NCo-A1 [103187] (1)
      1. PAS domain of steroid receptor coactivator 1A, NCo-A1 [103188]
        1. Mouse (Mus musculus) [TaxId: 10090] [103189] (1) picpic
    7. BphP N-terminal domain-like [160669] (4)
      Pfam 08446; PAS_2
      1. Sensor protein PhyB2 [160670]
        1. Rhodopseudomonas palustris [TaxId: 1076] [160671] (2) picpic
          SQ Q6N5G2 26-139
      2. Bacteriophytochrome BphP [160672]
        1. Deinococcus radiodurans [TaxId: 1299] [160673] (3) picpic
          SQ Q9RZA4 4-130! SQ Q9RZA4 5-130
        2. Pseudomonas aeruginosa [TaxId: 287] [160674] (8) picpic
          SQ Q9HWR3 5-117
      3. Phytochrome-like protein Cph1 [160675]
        1. Synechocystis sp. pcc 6803 [TaxId: 1148] [160676] (1) picpic
          SQ Q55168 4-130
  4. Pheromone-binding domain of LuxR-like quorum-sensing transcription factors [75516] (1)
    alpha(2)-beta(2)-alpha(2)-beta(3)-alpha; possibly related to the PAS domain
    link to SUPERFAMILY database - Superfamily
    1. Pheromone-binding domain of LuxR-like quorum-sensing transcription factors [75517] (1)
      1. Transcription factor TraR, N-terminal domain [75518]
        1. Agrobacterium tumefaciens [TaxId: 358] [75519] (2) picpic
  5. Sensory domain-like [103190] (3)
    alpha(2)-beta(2)-alpha(2)-beta(3); possibly related to the PAS domain
    link to SUPERFAMILY database - Superfamily
    1. Sensory domain of two-component sensor kinase [103191] (2)
      1. Sensor kinase CitA [103192]
        citrate-binding domain
        1. Klebsiella pneumoniae [TaxId: 573] [103193] (5) picpic
      2. Fumarate sensor DcuS [103194]
        1. Escherichia coli [TaxId: 562] [103195] (2) picpic
    2. YkuI C-terminal domain-like [143732] (2)
      PfamB 021678
      1. Hypothetical protein YkuI, C-terminal domain [143733]
        1. Bacillus subtilis [TaxId: 1423] [143734] (2) picpic
          SQ O35014 263-407
      2. GGDEF family protein VP0354 [160677]
        N-terminal region, consist of two sensory domain-like domains; there is a canonical sensory (PAS) domain in the middle region
        1. Vibrio parahaemolyticus [TaxId: 670] [160678] (4) picpic
          SQ Q87SR8 207-299! SQ Q87SR8 35-206
    3. LuxQ-periplasmic domain-like [160679] (1)
      Pfam 09308; two-domain arrangement similar to the YkuI C-terminal domain-like
      1. Autoinducer 2 sensor kinase/phosphatase LuxQ [160680]
        1. Vibrio harveyi [TaxId: 669] [160681] (4) picpic
          SQ P54302 51-271! SQ P54302 52-270
  6. SNARE-like [64356] (4)
    beta(2)-alpha-beta(3)-alpha(2)
    link to SUPERFAMILY database - Superfamily
    1. Synatpobrevin N-terminal domain [64357] (2)
      1. Sec22b [64358]
        1. Mouse (Mus musculus) [TaxId: 10090] [64359] (1) picpic
      2. Synaptobrevin homolog 1 ykt6 [64360]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [64361] (2) picpic
    2. Sedlin (SEDL) [82767] (1)
      1. Sedlin (SEDL) [82768]
        1. Mouse (Mus musculus) [TaxId: 10090] [82769] (3) picpic
    3. Clathrin coat assembly domain [75521] (2)
      1. Mu2 adaptin (clathrin coat assembly protein AP50) [75522]
        1. Rat (Rattus norvegicus) [TaxId: 10116] [75523] (1) picpic
      2. Sigma2 adaptin (clathrin coat assembly protein AP17) [75524]
        1. Mouse (Mus musculus) [TaxId: 10090] [75525] (1) picpic
    4. SRP alpha N-terminal domain-like [90019] (2)
      1. Srx domain of the signal recognition particle receptor alpha-subunit [90020]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [90021] (1) picpic
      2. Signal recognition particle receptor alpha subunit, N-terminal domain [143735]
        1. Human (Homo sapiens) [TaxId: 9606] [143736] (2) picpic
          SQ P08240 1-129
  7. Roadblock/LC7 domain [103196] (1)
    alpha-beta(2)-alpha-beta(3)-alpha; structurally most similar to the SNARE-like superfamily with a circular permutation of the terminal helices
    link to SUPERFAMILY database - Superfamily
    1. Roadblock/LC7 domain [103197] (6)
      Pfam 03259
      1. Giding protein MglB [103198]
        1. Thermus thermophilus [TaxId: 274] [103199] (1) picpic
      2. MEK binding partner 1, MP1 [111120]
        remote homolog that forms the characteristic complex structures with other members
        1. Human (Homo sapiens) [TaxId: 9606] [111121] (2) picpic
          SQ Q9UHA4
        2. Mouse (Mus musculus) [TaxId: 10090] [111122] (2) picpic
          SQ O88653
      3. Late endosomal/lysosomal Mp1 interacting protein p14 [111123]
        1. Mouse (Mus musculus) [TaxId: 10090] [111124] (5) picpic
          SQ Q9JHS3
      4. Dynein light chain 2A, cytoplasmic [118074]
        1. Human (Homo sapiens) [TaxId: 9606] [118075] (8) picpic
          SQ Q9NP97
        2. Mouse (Mus musculus) [TaxId: 10090] [160682] (2) picpic
          SQ P62627 1-95
  8. YeeU-like [143737] (1)
    beta(2)-alpha-beta(3); 2 layers, a/b; there is an oligomerization interface instead of the 'missing' helical layer
    link to SUPERFAMILY database - Superfamily
    1. YagB/YeeU/YfjZ-like [143738] (3)
      Pfam 06154
      1. Hypothetical protein YfjZ [143739]
        1. Escherichia coli [TaxId: 562] [143740] (2) picpic
          SQ P52141 1-105
      2. Hypothetical protein YeeU [143741]
        1. Escherichia coli [TaxId: 562] [143742] (2) picpic
          SQ P76364 16-122
        2. Shigella flexneri [TaxId: 623] [143743] (2) picpic
          SQ Q83JN9 4-120
  9. GlcG-like [143744] (1)
    alpha-beta(2)-alpha(3)-beta(2)-alpha; similar to the Roadblock/LC7 domain
    link to SUPERFAMILY database - Superfamily
    1. GlcG-like [143745] (1)
      Pfam 03928; DUF336
      1. DhaI homolog [143746]
        1. Klebsiella pneumoniae [TaxId: 573] [143747] (4) picpic
          SQ Q48422 2-143
  10. YNR034W-A-like [160683] (1)
    1. YNR034W-A-like [160684] (1)
      1. Uncharacterized protein YNR034W-A [160685]
        1. Baker's yeast (Saccharomyces cerevisiae) [TaxId: 4932] [160686] (1) picpic
          SQ Q3E841 1-98
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MRC site Generated from scop database 1.75 with scopm 1.101 on Wed Jun 3 10:42:06 2009
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