| 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_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 | 1O82 | A | 0 | Bacteriocin_IId | [C] Mainly Alpha [A] Up-down Bundle
 [T] Bacteriocin As-48; Chain A
 [H] Bacteriocin As-48; Chain A
 
 | [C] All alpha proteins [F] Saposin-like
 [S] Bacteriocin AS-48
 [F] Bacteriocin AS-48
 
 | 
| 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_012 | 1PA0 | A | 0 | Phospholip_A2_1 | [C] Mainly Alpha [A] Up-down Bundle
 [T] Phospholipase A2
 [H] Phospholipase A2
 
 | [C] All alpha proteins [F] Phospholipase A2, PLA2
 [S] Phospholipase A2, PLA2
 [F] Vertebrate phospholipase A2
 
 | 
| AC_012 | 2QOG | A | 0 | Phospholip_A2_1 | [C] Mainly Alpha [A] Up-down Bundle
 [T] Phospholipase A2
 [H] Phospholipase A2
 
 | [C] All alpha proteins [F] Phospholipase A2, PLA2
 [S] Phospholipase A2, PLA2
 [F] Vertebrate phospholipase A2
 
 | 
| 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] 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] 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
 
 | [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
 
 | [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] Up-down Bundle
 [T] Phospholipase A2
 [H] Phospholipase A2
 
 | [C] All alpha proteins [F] Phospholipase A2, PLA2
 [S] Phospholipase A2, PLA2
 [F] Vertebrate phospholipase A2
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Up-down Bundle
 [T] Phospholipase A2
 [H] Phospholipase A2
 
 | [C] All alpha proteins [F] Phospholipase A2, PLA2
 [S] Phospholipase A2, PLA2
 [F] Vertebrate phospholipase A2
 
 | 
| AC_000 |  |  | 0 | NA | NA NA
 NA
 
 | [C] All alpha proteins [F] Phospholipase A2, PLA2
 [S] Phospholipase A2, PLA2
 [F] Vertebrate phospholipase A2
 
 | 
| 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 | NA NA
 NA
 
 | [C] All alpha proteins [F] EF Hand-like
 [S] EF-hand
 [F] S100 proteins
 
 | 
| AC_000 |  |  | 0 | NA | [C] Mainly Alpha [A] Up-down Bundle
 [T] b2 immunity protein
 [H] Carnobacteriocin B2 immunity protein
 
 | [C] All alpha proteins [F] Bromodomain-like
 [S] Bacteriocin immunity protein-like
 [F] Carnobacteriocin B2 immunity protein
 
 | 
| 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] Few Secondary Structures [A] Irregular
 [T] 30s Ribosomal Protein S18
 [H] 30s Ribosomal Protein S18
 
 | [C] All alpha proteins [F] DNA/RNA-binding 3-helical bundle
 [S] Ribosomal protein S18
 [F] Ribosomal protein S18
 
 | 
| 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 | NA NA
 NA
 
 | [C] All alpha proteins [F] N-cbl like
 [S] HIV integrase-binding domain
 [F] HIV integrase-binding domain
 
 |