Table 1 Data for the superposition in Fig. 3

1B67 A+B

HmfA

Methanothermus fervidus

Histone

Archaeal

124/124

0.00

1TAF A+B

TAFII42/62

Drosophila melanogaster

Histone

TBP-associated factors

124/132

1.19

1TZY A+B

H2A/H2B

Gallus gallus

Histone

Nucleosome core

118/129

1.33

1TZY C+D

H3/H4

Gallus gallus

Histone

Nucleosome core

114/134

1.10

1IN4 A

RuvB

Thermotoga maritima

C-domain

AAA+: helicases

46/71

1.38

1R6B A

ClpA-D1

Escherichia coli

C-domain

AAA+: Clp-D1

52/86

1.70

1LV7 A

FtsH

Escherichia coli

C-domain

AAA+: AAA

45/71

1.21

1NY5 A

NtrC

Aquifex aeolicus

C-domain

AAA+: σ 54

52/72

1.57

1G8P A

Mg chelatase

Rhodobacter capsulatus

C-domain

AAA+

a) 12/16(α 1)

b) 47/54(α 2–4)

a) 0.59

b) 1.38

1K6K A

ClpA-N (1^st half)

Escherichia coli

Clp N-domain

ClpA

33/78

1.54

1K6K A

ClpA-N (2^nd half)

Escherichia coli

Clp N-domain

ClpA

33/62

1.40

1KHY A

ClpB-N (1^st half)

Escherichia coli

Clp N-domain

ClpB

33/80

1.13

1KHY A

ClpB-N (2^nd half)

Escherichia coli

Clp N-domain

ClpB

33/58

0.96