Structural Classification of Proteins

Fold: Secretion chaperone-like

: alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta

Lineage:

Root: scop
Class: Alpha and beta proteins (a+b) [53931]
Mainly antiparallel beta sheets (segregated alpha and beta regions)
Fold: Secretion chaperone-like [69634]
alpha-beta(3)-alpha-beta(2)-alpha; 2 layers: alpha/beta

Superfamilies:

Type III secretory system chaperone-like [69635] (2)
uperfamily
1. Type III secretory system chaperone [69636] (11)
  the family sequences are very divergent
  1. YopE chaperone SycE [69637]
    1. Yersinia pestis [TaxId: 632] [69638] (3)
    2. Yersinia enterocolitica [TaxId: 630] [75351] (1)
  2. Virulence effector SptP secretion chaperone SicP [69639]
    1. Salmonella typhimurium [TaxId: 90371] [69640] (1)
  3. Secretion chaperone CesT [69641]
    1. Escherichia coli [TaxId: 562] [69642] (1)
  4. Secretion chaperone SigE [69643]
    1. Salmonella enterica [TaxId: 28901] [69644] (1)
  5. Surface presentation of antigens protein SpaK (Spa15) [102748]
    1. Shigella flexneri [TaxId: 623] [102749] (1)
    2. Salmonella typhimurium [TaxId: 90371] [142901] (2)
      SQ P0A1N0 1-134
  6. Putative YopH chaperone SycH [110790]
    1. Yersinia pestis [TaxId: 632] [110791] (1)
      SQ Q7ARG9
  7. AvrPphF ORF1, chaperone of AvrPphF ORF2 [110792]
    1. Pseudomonas syringae pv. phaseolicola [TaxId: 319] [110793] (1)
      SQ Q9K2L2 1-125
  8. Chaperone protein YscB [142902]
    1. Yersinia pestis [TaxId: 632] [142903] (1)
      SQ Q56973 2-127
  9. Chaperone protein SycN [142904]
    1. Yersinia pestis [TaxId: 632] [142905] (1)
      SQ P61380 2-122
2. Tll0839-like [159885] (1)
  Pfam 08851; DUF1821; cyanobacterial family of similar subunit and dimer structures to the Type III secretory system chaperone from proteobacteria
  1. Uncharacterized protein Tll0839 [159886]
    1. Synechococcus elongatus [TaxId: 32046] [159887] (2)
      SQ Q8DKM0 1-152
Arp2/3 complex subunits [69645] (1)
uperfamily
1. Arp2/3 complex subunits [69646] (2)
  1. ARPC4 (20 kDa subunit) [69647]
    1. Cow (Bos taurus) [TaxId: 9913] [69648] (10)
      SQ P59998 # 100% sequence identity
  2. ARPC2 (34 kDa subunit) [69649]
    duplication: tandem repeat of two domains of this fold
    1. Cow (Bos taurus) [TaxId: 9913] [69650] (17)
      SQ O15144 1-282 # 100% sequence identity
YjbR-like [142906] (1)
overall similar to the Type III secretory system chaperone subunits; different shape of the beta-sheet
uperfamily
1. YjbR-like [142907] (2)
  Pfam 04237; DUF419
  1. Hypothetical protein DR2400 [142908]
    1. Deinococcus radiodurans [TaxId: 1299] [142909] (1)
      SQ Q9RRT5 2-132
  2. Hypothetical protein YjbR [142910]
    1. Escherichia coli [TaxId: 562] [142911] (1)
      SQ P0AF50 1-118
YdhG-like [159888] (1)
some similarity to YjbR-like (scop_sf 136320)
1. YdhG-like [159889] (2)
  Pfam 08818; DUF1801
  1. Uncharacterized protein LSEI2283 [159890]
    1. Lactobacillus casei [TaxId: 1582] [159891] (2)
      SQ Q035U5 2-122
  2. Uncharacterized protein YdhG [159892]
    1. Bacillus subtilis [TaxId: 1423] [159893] (2)
      SQ Q797E6 1-123
YgaC/TfoX-N like [159894] (2)
overall similar to the Type III secretory system chaperone subunits; different shape of the beta-sheet
1. YgaC-like [159895] (1)
  Pfam 09400; DUF2002
  1. Putative cytoplasmic protein YgaC [159896]
    1. Salmonella typhimurium [TaxId: 90371] [159897] (1)
      SQ Q8ZML5 1-112
2. TfoX N-terminal domain-like [159898] (1)
  Pfam 04993
  1. Hypothetical protein VP1028 [159899]
    1. Vibrio parahaemolyticus [TaxId: 670] [159900] (2)
      SQ Q87QX1 3-105