| Cluster ID | PDB ID | PDB chain ID | #SEQ | Pfam Domain | CATH | SCOP | 
| AC_006 | 2CV5 | D | 0 | Histone | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_007 | 1BB6 | A | 0 | Lys | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Lysozyme
 
 | [C] Alpha and beta proteins (a+b) [F] Lysozyme-like
 [S] Lysozyme-like
 [F] C-type lysozyme
 
 | 
| AC_007 | 1IVM | A | 0 | Lys | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Lysozyme
 
 | [C] Alpha and beta proteins (a+b) [F] Lysozyme-like
 [S] Lysozyme-like
 [F] C-type lysozyme
 
 | 
| AC_007 | 2GV0 | A | 0 | Lys | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Lysozyme
 
 | [C] Alpha and beta proteins (a+b) [F] Lysozyme-like
 [S] Lysozyme-like
 [F] C-type lysozyme
 
 | 
| AC_009 | 1L9L | A | 0 | SapB_2 | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] NK-Lysin
 [H] NK-Lysin
 
 | [C] All alpha proteins [F] Saposin-like
 [S] Saposin
 [F] NKL-like
 
 | 
| AC_009 | 1NKL | A | 0 | SapB_1 | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] NK-Lysin
 [H] NK-Lysin
 
 | [C] All alpha proteins [F] Saposin-like
 [S] Saposin
 [F] NKL-like
 
 | 
| AC_009 | 1OF9 | A | 0 | SapB_1 | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] NK-Lysin
 [H] NK-Lysin
 
 | [C] All alpha proteins [F] Saposin-like
 [S] Saposin
 [F] Ameobapore A
 
 | 
| AC_022 | 1SIY | A | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hydrophobic Seed Protein
 [H] Plant lipid-transfer and hydrophobic proteins
 
 | NA NA
 NA
 [F]
 
 | 
| AC_024 | 1REO | A | 0 | Thi4 | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Guanine Nucleotide Dissociation Inhibitor; domain 1
 [H] Guanine Nucleotide Dissociation Inhibitor, domain 1
 
 | [C] Alpha and beta proteins (a/b) [F] FAD/NAD(P)-binding domain
 [S] FAD/NAD(P)-binding domain
 [F] FAD-linked reductases, N-terminal domain
 
 | 
| AC_025 | 1IRJ | A | 0 | S_100 | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Recoverin; domain 1
 [H] EF-hand
 
 | [C] All alpha proteins [F] EF Hand-like
 [S] EF-hand
 [F] S100 proteins
 
 | 
| AC_041 | 1HDA | A | 0 | Globin | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Globin-like
 [H] Globins
 
 | [C] All alpha proteins [F] Globin-like
 [S] Globin-like
 [F] Globins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] All alpha proteins [F] S15/NS1 RNA-binding domain
 [S] S15/NS1 RNA-binding domain
 [F] Ribosomal protein S15
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] Coiled coil proteins [F] Stalk segment of viral fusion proteins
 [S] Virus ectodomain
 [F] Virus ectodomain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] All alpha proteins [F] S15/NS1 RNA-binding domain
 [S] S15/NS1 RNA-binding domain
 [F] Ribosomal protein S15
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] Coiled coil proteins [F] Stalk segment of viral fusion proteins
 [S] Virus ectodomain
 [F] Virus ectodomain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] Coiled coil proteins [F] Stalk segment of viral fusion proteins
 [S] Virus ectodomain
 [F] Virus ectodomain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] Coiled coil proteins [F] Stalk segment of viral fusion proteins
 [S] Virus ectodomain
 [F] Virus ectodomain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 
 | [C] Coiled coil proteins [F] Stalk segment of viral fusion proteins
 [S] Virus ectodomain
 [F] Virus ectodomain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Arc Repressor Mutant, subunit A
 
 | [C] All alpha proteins [F] DNA/RNA-binding 3-helical bundle
 [S] N-terminal Zn binding domain of HIV integrase
 [F] N-terminal Zn binding domain of HIV integrase
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | NA NA
 NA
 [F]
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Histone, subunit A
 [H] Histone, subunit A
 
 | [C] All alpha proteins [F] Histone-fold
 [S] Histone-fold
 [F] Nucleosome core histones
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hydrophobic Seed Protein
 [H] Plant lipid-transfer and hydrophobic proteins
 
 | [C] All alpha proteins [F] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [S] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [F] Plant lipid-transfer and hydrophobic proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hydrophobic Seed Protein
 [H] Plant lipid-transfer and hydrophobic proteins
 
 | [C] All alpha proteins [F] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [S] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [F] Plant lipid-transfer and hydrophobic proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hydrophobic Seed Protein
 [H] Plant lipid-transfer and hydrophobic proteins
 
 | NA NA
 NA
 [F]
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hydrophobic Seed Protein
 [H] Plant lipid-transfer and hydrophobic proteins
 
 | [C] All alpha proteins [F] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [S] Bifunctional inhibitor/lipid-transfer protein/seed storage 2S albumin
 [F] Plant lipid-transfer and hydrophobic proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Lysozyme
 
 | [C] Alpha and beta proteins (a+b) [F] Lysozyme-like
 [S] Lysozyme-like
 [F] C-type lysozyme
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Recoverin; domain 1
 [H] EF-hand
 
 | [C] All alpha proteins [F] EF Hand-like
 [S] EF-hand
 [F] S100 proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Recoverin; domain 1
 [H] EF-hand
 
 | [C] All alpha proteins [F] EF Hand-like
 [S] EF-hand
 [F] S100 proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Recoverin; domain 1
 [H] EF-hand
 
 | [C] All alpha proteins [F] EF Hand-like
 [S] EF-hand
 [F] S100 proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Globin-like
 [H] Colicin
 
 | [C] Membrane and cell surface proteins and peptides [F] Toxins, membrane translocation domains
 [S] Colicin
 [F] Colicin
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Globin-like
 [H] Colicin
 
 | [C] Membrane and cell surface proteins and peptides [F] Toxins, membrane translocation domains
 [S] Colicin
 [F] Colicin
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Non-ribosomal Peptide Synthetase Peptidyl Carrier Protein; Chain A
 
 | [C] All alpha proteins [F] Acyl carrier protein-like
 [S] Retrovirus capsid dimerization domain-like
 [F] Retrovirus capsid protein C-terminal domain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Globin-like
 [H] Colicin
 
 | [C] All beta proteins [F] Cloacin translocation domain
 [S] Cloacin translocation domain
 [F] Cloacin translocation domain
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Globin-like
 [H] Colicin
 
 | [C] Membrane and cell surface proteins and peptides [F] Toxins, membrane translocation domains
 [S] Colicin
 [F] Colicin
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Neutral Protease; domain 2
 [H] Neutral Protease Domain 2
 
 | [C] Alpha and beta proteins (a+b) [F] Zincin-like
 [S] Metalloproteases ("zincins"), catalytic domain
 [F] Thermolysin-like
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Hiv-1 Regulatory Protein N-terminal Domain Vpr; Chain
 
 | [C] Peptides [F] VPR protein fragments
 [S] VPR protein fragments
 [F] VPR protein fragments
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] DNA polymerase; domain 1
 
 | [C] All alpha proteins [F] Retroviral matrix proteins
 [S] Retroviral matrix proteins
 [F] Immunodeficiency virus matrix proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Vesicle-associated membrane protein fold
 [H] Vesicle-associated membrane protein domain
 
 | NA NA
 NA
 [F]
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Orthogonal Bundle
 [T] Helix Hairpins
 [H] Helix Hairpins
 
 | [C] All beta proteins [F] Ribonuclease domain of colicin E3
 [S] Ribonuclease domain of colicin E3
 [F] Ribonuclease domain of colicin E3
 
 |