1 c3rpeA_
100.0
67
PDB header: oxidoreductaseChain: A: PDB Molecule: modulator of drug activity b;
PDBTitle: 1.1 angstrom crystal structure of putative modulator of drug activity2 (mdab) from yersinia pestis co92.
2 c2amjD_
100.0
98
PDB header: oxidoreductaseChain: D: PDB Molecule: modulator of drug activity b;
PDBTitle: crystal structure of modulator of drug activity b from escherichia2 coli o157:h7
3 d1qrda_
100.0
26
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
4 d1d4aa_
100.0
26
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
5 d1dxqa_
100.0
25
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
6 c3eywA_
100.0
24
PDB header: transport proteinChain: A: PDB Molecule: c-terminal domain of glutathione-regulated potassium-efflux
PDBTitle: crystal structure of the c-terminal domain of e. coli kefc in complex2 with keff
7 c3ha2B_
100.0
21
PDB header: oxidoreductaseChain: B: PDB Molecule: nadph-quinone reductase;
PDBTitle: crystal structure of protein (nadph-quinone reductase) from2 p.pentosaceus, northeast structural genomics consortium target ptr24a
8 d2qwxa1
100.0
25
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
9 c3f2vA_
100.0
24
PDB header: structural genomics, unknown functionChain: A: PDB Molecule: general stress protein 14;
PDBTitle: crystal structure of the general stress protein 142 (tde0354) in complex with fmn from treponema denticola,3 northeast structural genomics consortium target tdr58.
10 c3lcmB_
100.0
22
PDB header: oxidoreductaseChain: B: PDB Molecule: putative oxidoreductase;
PDBTitle: crystal structure of smu.1420 from streptococcus mutans ua159
11 d1t5ba_
100.0
20
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
12 c2hpvA_
100.0
18
PDB header: oxidoreductaseChain: A: PDB Molecule: fmn-dependent nadh-azoreductase;
PDBTitle: crystal structure of fmn-dependent azoreductase from enterococcus2 faecalis
13 c3p0rA_
100.0
19
PDB header: oxidoreductaseChain: A: PDB Molecule: azoreductase;
PDBTitle: crystal structure of azoreductase from bacillus anthracis str. sterne
14 d2z98a1
100.0
18
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Quinone reductase
15 c2v9cA_
100.0
16
PDB header: oxidoreductaseChain: A: PDB Molecule: fmn-dependent nadh-azoreductase 1;
PDBTitle: x-ray crystallographic structure of a pseudomonas2 aeruginosa azoreductase in complex with methyl red.
16 d1rlia_
99.9
18
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Hypothetical protein YwqN
17 d1rtta_
99.9
19
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: NADPH-dependent FMN reductase
18 c3fvwA_
99.9
18
PDB header: structural genomics, unknown functionChain: A: PDB Molecule: putative nad(p)h-dependent fmn reductase;
PDBTitle: crystal structure of the q8dwd8_strmu protein from2 streptococcus mutans. northeast structural genomics3 consortium target smr99.
19 d1sqsa_
99.9
19
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Hypothetical protein SP1951
20 d1nni1_
99.9
16
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: NADPH-dependent FMN reductase
21 c3k1yE_
not modelled
99.9
12
PDB header: oxidoreductaseChain: E: PDB Molecule: oxidoreductase;
PDBTitle: x-ray structure of oxidoreductase from corynebacterium2 diphtheriae. orthorombic crystal form, northeast structural3 genomics consortium target cdr100d
22 d1t0ia_
not modelled
99.8
18
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: NADPH-dependent FMN reductase
23 c2vzhA_
not modelled
99.8
18
PDB header: oxidoreductaseChain: A: PDB Molecule: nadh-dependent fmn reductase;
PDBTitle: structures of nadh:fmn oxidoreductase (emob)-fmn complex
24 c2q62A_
not modelled
99.8
25
PDB header: flavoproteinChain: A: PDB Molecule: arsh;
PDBTitle: crystal structure of arsh from sinorhizobium meliloti
25 d1ydga_
not modelled
99.8
17
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: WrbA-like
26 c2fzvC_
not modelled
99.7
21
PDB header: structural genomics, unknown functionChain: C: PDB Molecule: putative arsenical resistance protein;
PDBTitle: crystal structure of an apo form of a flavin-binding protein from2 shigella flexneri
27 d2fzva1
not modelled
99.7
21
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: NADPH-dependent FMN reductase
28 c3b6iB_
not modelled
99.7
16
PDB header: flavoproteinChain: B: PDB Molecule: flavoprotein wrba;
PDBTitle: wrba from escherichia coli, native structure
29 d2a5la1
not modelled
99.7
15
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: WrbA-like
30 c2zkiH_
not modelled
99.6
20
PDB header: transcriptionChain: H: PDB Molecule: 199aa long hypothetical trp repressor binding
PDBTitle: crystal structure of hypothetical trp repressor binding2 protein from sul folobus tokodaii (st0872)
31 d1e5da1
not modelled
99.6
18
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
32 c3d7nA_
not modelled
99.6
14
PDB header: electron transportChain: A: PDB Molecule: flavodoxin, wrba-like protein;
PDBTitle: the crystal structure of the flavodoxin, wrba-like protein from2 agrobacterium tumefaciens
33 d1ycga1
not modelled
99.6
17
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
34 d1vmea1
not modelled
99.5
9
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
35 c2ohiB_
not modelled
99.5
14
PDB header: oxidoreductaseChain: B: PDB Molecule: type a flavoprotein fpra;
PDBTitle: crystal structure of coenzyme f420h2 oxidase (fpra), a diiron2 flavoprotein, reduced state
36 c1ychD_
not modelled
99.5
19
PDB header: oxidoreductaseChain: D: PDB Molecule: nitric oxide reductase;
PDBTitle: x-ray crystal structures of moorella thermoacetica fpra.2 novel diiron site structure and mechanistic insights into3 a scavenging nitric oxide reductase
37 d2arka1
not modelled
99.3
23
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: WrbA-like
38 c2q9uB_
not modelled
99.3
10
PDB header: oxidoreductaseChain: B: PDB Molecule: a-type flavoprotein;
PDBTitle: crystal structure of the flavodiiron protein from giardia2 intestinalis
39 c3klbA_
not modelled
99.3
20
PDB header: flavoproteinChain: A: PDB Molecule: putative flavoprotein;
PDBTitle: crystal structure of putative flavoprotein in complex with fmn2 (yp_213683.1) from bacteroides fragilis nctc 9343 at 1.75 a3 resolution
40 c1e5dA_
not modelled
99.2
17
PDB header: oxidoreductaseChain: A: PDB Molecule: rubredoxin\:oxygen oxidoreductase;
PDBTitle: rubredoxin oxygen:oxidoreductase (roo) from anaerobe2 desulfovibrio gigas
41 c1vmeB_
not modelled
99.2
8
PDB header: electron transportChain: B: PDB Molecule: flavoprotein;
PDBTitle: crystal structure of flavoprotein (tm0755) from thermotoga maritima at2 1.80 a resolution
42 c3fniA_
not modelled
99.1
12
PDB header: oxidoreductaseChain: A: PDB Molecule: putative diflavin flavoprotein a 3;
PDBTitle: crystal structure of a diflavin flavoprotein a3 (all3895) from nostoc2 sp., northeast structural genomics consortium target nsr431a
43 c3hlyA_
not modelled
99.0
15
PDB header: flavoproteinChain: A: PDB Molecule: flavodoxin-like domain;
PDBTitle: crystal structure of the flavodoxin-like domain from2 synechococcus sp q5mzp6_synp6 protein. northeast structural3 genomics consortium target snr135d.
44 c3edoA_
not modelled
99.0
18
PDB header: flavoproteinChain: A: PDB Molecule: putative trp repressor binding protein;
PDBTitle: crystal structure of flavoprotein in complex with fmn2 (yp_193882.1) from lactobacillus acidophilus ncfm at 1.203 a resolution
45 d2fz5a1
not modelled
98.7
21
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
46 d5nula_
not modelled
98.5
17
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
47 d1oboa_
not modelled
98.3
13
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
48 c3f6sI_
not modelled
98.2
16
PDB header: electron transportChain: I: PDB Molecule: flavodoxin;
PDBTitle: desulfovibrio desulfuricans (atcc 29577) oxidized flavodoxin2 alternate conformers
49 d1b1ca_
not modelled
98.2
14
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Cytochrome p450 reductase N-terminal domain-like
50 d1czna_
not modelled
98.2
16
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
51 c2hnbA_
not modelled
98.1
11
PDB header: electron transportChain: A: PDB Molecule: protein mioc;
PDBTitle: solution structure of a bacterial holo-flavodoxin
52 d1ag9a_
not modelled
98.1
17
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
53 d1bvyf_
not modelled
98.0
14
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
54 c1bvyF_
not modelled
98.0
14
PDB header: oxidoreductaseChain: F: PDB Molecule: protein (cytochrome p450 bm-3);
PDBTitle: complex of the heme and fmn-binding domains of the2 cytochrome p450(bm-3)
55 c2wc1A_
not modelled
97.9
15
PDB header: electron transportChain: A: PDB Molecule: flavodoxin;
PDBTitle: three-dimensional structure of the nitrogen fixation2 flavodoxin (niff) from rhodobacter capsulatus at 2.2 a
56 d1ykga1
not modelled
97.8
17
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Cytochrome p450 reductase N-terminal domain-like
57 d1tlla2
not modelled
97.7
11
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Cytochrome p450 reductase N-terminal domain-like
58 d1ja1a2
not modelled
97.7
14
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Cytochrome p450 reductase N-terminal domain-like
59 d1f4pa_
not modelled
97.7
19
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
60 d2fcra_
not modelled
97.6
16
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
61 c3hr4C_
not modelled
97.6
13
PDB header: oxidoreductase/metal binding proteinChain: C: PDB Molecule: nitric oxide synthase, inducible;
PDBTitle: human inos reductase and calmodulin complex
62 d1yoba1
not modelled
97.3
12
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
63 d1fuea_
not modelled
96.5
16
Fold: Flavodoxin-likeSuperfamily: FlavoproteinsFamily: Flavodoxin-related
64 c1j9zB_
not modelled
95.4
15
PDB header: oxidoreductaseChain: B: PDB Molecule: nadph-cytochrome p450 reductase;
PDBTitle: cypor-w677g
65 c1tllA_
not modelled
93.8
9
PDB header: oxidoreductaseChain: A: PDB Molecule: nitric-oxide synthase, brain;
PDBTitle: crystal structure of rat neuronal nitric-oxide synthase2 reductase module at 2.3 a resolution.
66 c3u80A_
not modelled
92.7
23
PDB header: unknown functionChain: A: PDB Molecule: 3-dehydroquinate dehydratase, type ii;
PDBTitle: 1.60 angstrom resolution crystal structure of a 3-dehydroquinate2 dehydratase-like protein from bifidobacterium longum
67 c2bpoA_
not modelled
88.0
14
PDB header: reductaseChain: A: PDB Molecule: nadph-cytochrom p450 reductase;
PDBTitle: crystal structure of the yeast cpr triple mutant: d74g,2 y75f, k78a.
68 d1uqra_
not modelled
86.6
19
Fold: Flavodoxin-likeSuperfamily: Type II 3-dehydroquinate dehydrataseFamily: Type II 3-dehydroquinate dehydratase
69 d2r4qa1
not modelled
71.6
17
Fold: Phosphotyrosine protein phosphatases I-likeSuperfamily: PTS system IIB component-likeFamily: PTS system, Fructose specific IIB subunit-like
70 d1uana_
not modelled
66.7
14
Fold: LmbE-likeSuperfamily: LmbE-likeFamily: LmbE-like
71 d2a9va1
not modelled
65.9
17
Fold: Flavodoxin-likeSuperfamily: Class I glutamine amidotransferase-likeFamily: Class I glutamine amidotransferases (GAT)
72 c3l4eA_
not modelled
63.3
13
PDB header: hydrolaseChain: A: PDB Molecule: uncharacterized peptidase lmo0363;
PDBTitle: 1.5a crystal structure of a putative peptidase e protein from listeria2 monocytogenes egd-e
73 c2kyrA_
not modelled
61.4
10
PDB header: transferaseChain: A: PDB Molecule: fructose-like phosphotransferase enzyme iib component 1;
PDBTitle: solution structure of enzyme iib subunit of pts system from2 escherichia coli k12. northeast structural genomics consortium target3 er315/ontario center for structural proteomics target ec0544
74 c2x2oA_
not modelled
61.4
16
PDB header: flavoproteinChain: A: PDB Molecule: nrdi protein;
PDBTitle: the flavoprotein nrdi from bacillus cereus with the2 initially oxidized fmn cofactor in an intermediate3 radiation reduced state
75 c3s40C_
not modelled
59.9
19
PDB header: transferaseChain: C: PDB Molecule: diacylglycerol kinase;
PDBTitle: the crystal structure of a diacylglycerol kinases from bacillus2 anthracis str. sterne
76 d1qdlb_
not modelled
56.0
25
Fold: Flavodoxin-likeSuperfamily: Class I glutamine amidotransferase-likeFamily: Class I glutamine amidotransferases (GAT)
77 c3czcA_
not modelled
52.8
20
PDB header: transferaseChain: A: PDB Molecule: rmpb;
PDBTitle: the crystal structure of a putative pts iib(ptxb) from2 streptococcus mutans
78 d2p1ra1
not modelled
50.6
22
Fold: NAD kinase/diacylglycerol kinase-likeSuperfamily: NAD kinase/diacylglycerol kinase-likeFamily: Diacylglycerol kinase-like
79 c1tvmA_
not modelled
47.1
9
PDB header: transferaseChain: A: PDB Molecule: pts system, galactitol-specific iib component;
PDBTitle: nmr structure of enzyme gatb of the galactitol-specific2 phosphoenolpyruvate-dependent phosphotransferase system
80 c3crnA_
not modelled
46.9
26
PDB header: signaling proteinChain: A: PDB Molecule: response regulator receiver domain protein, chey-like;
PDBTitle: crystal structure of response regulator receiver domain protein (chey-2 like) from methanospirillum hungatei jf-1
81 c2r60A_
not modelled
42.9
22
PDB header: transferaseChain: A: PDB Molecule: glycosyl transferase, group 1;
PDBTitle: structure of apo sucrose phosphate synthase (sps) of2 halothermothrix orenii
82 d2dlda2
not modelled
42.0
17
Fold: Flavodoxin-likeSuperfamily: Formate/glycerate dehydrogenase catalytic domain-likeFamily: Formate/glycerate dehydrogenases, substrate-binding domain
83 d2hrca1
not modelled
40.6
13
Fold: Chelatase-likeSuperfamily: ChelataseFamily: Ferrochelatase
84 d1iiba_
not modelled
39.5
19
Fold: Phosphotyrosine protein phosphatases I-likeSuperfamily: PTS system IIB component-likeFamily: PTS system, Lactose/Cellobiose specific IIB subunit
85 c2g76A_
not modelled
38.5
18
PDB header: oxidoreductaseChain: A: PDB Molecule: d-3-phosphoglycerate dehydrogenase;
PDBTitle: crystal structure of human 3-phosphoglycerate dehydrogenase
86 c3nbmA_
not modelled
38.4
13
PDB header: transferaseChain: A: PDB Molecule: pts system, lactose-specific iibc components;
PDBTitle: the lactose-specific iib component domain structure of the2 phosphoenolpyruvate:carbohydrate phosphotransferase system (pts) from3 streptococcus pneumoniae.
87 c3dhnA_
not modelled
38.3
17
PDB header: isomerase, lyaseChain: A: PDB Molecule: nad-dependent epimerase/dehydratase;
PDBTitle: crystal structure of the putative epimerase q89z24_bactn2 from bacteroides thetaiotaomicron. northeast structural3 genomics consortium target btr310.
88 d2r48a1
not modelled
38.2
15
Fold: Phosphotyrosine protein phosphatases I-likeSuperfamily: PTS system IIB component-likeFamily: PTS system, Fructose specific IIB subunit-like
89 c3kklA_
not modelled
35.5
14
PDB header: hydrolaseChain: A: PDB Molecule: probable chaperone protein hsp33;
PDBTitle: crystal structure of functionally unknown hsp33 from2 saccharomyces cerevisiae
90 d2naca2
not modelled
34.5
26
Fold: Flavodoxin-likeSuperfamily: Formate/glycerate dehydrogenase catalytic domain-likeFamily: Formate/glycerate dehydrogenases, substrate-binding domain
91 c2l2qA_
not modelled
34.4
20
PDB header: transferaseChain: A: PDB Molecule: pts system, cellobiose-specific iib component (cela);
PDBTitle: solution structure of cellobiose-specific phosphotransferase iib2 component protein from borrelia burgdorferi
92 d1dxya2
not modelled
34.4
18
Fold: Flavodoxin-likeSuperfamily: Formate/glycerate dehydrogenase catalytic domain-likeFamily: Formate/glycerate dehydrogenases, substrate-binding domain
93 c3o1hB_
not modelled
34.1
16
PDB header: signaling proteinChain: B: PDB Molecule: periplasmic protein tort;
PDBTitle: crystal structure of the tors sensor domain - tort complex in the2 presence of tmao
94 c3lwzC_
not modelled
33.1
8
PDB header: lyaseChain: C: PDB Molecule: 3-dehydroquinate dehydratase;
PDBTitle: 1.65 angstrom resolution crystal structure of type ii 3-2 dehydroquinate dehydratase (aroq) from yersinia pestis
95 c3i42A_
not modelled
32.1
26
PDB header: structural genomics, unknown functionChain: A: PDB Molecule: response regulator receiver domain protein (chey-
PDBTitle: structure of response regulator receiver domain (chey-like)2 from methylobacillus flagellatus
96 d1t4za_
not modelled
32.1
5
Fold: Thioredoxin foldSuperfamily: Thioredoxin-likeFamily: KaiB-like
97 d1iowa1
not modelled
31.5
18
Fold: PreATP-grasp domainSuperfamily: PreATP-grasp domainFamily: D-Alanine ligase N-terminal domain
98 c3jteA_
not modelled
30.4
25
PDB header: protein bindingChain: A: PDB Molecule: response regulator receiver protein;
PDBTitle: crystal structure of response regulator receiver domain2 protein from clostridium thermocellum
99 d1fyea_
not modelled
29.5
18
Fold: Flavodoxin-likeSuperfamily: Class I glutamine amidotransferase-likeFamily: Aspartyl dipeptidase PepE
100 c2gcgB_
not modelled
29.4
11
PDB header: oxidoreductaseChain: B: PDB Molecule: glyoxylate reductase/hydroxypyruvate reductase;
PDBTitle: ternary crystal structure of human glyoxylate2 reductase/hydroxypyruvate reductase
101 d1gtza_
not modelled
29.2
13
Fold: Flavodoxin-likeSuperfamily: Type II 3-dehydroquinate dehydrataseFamily: Type II 3-dehydroquinate dehydratase
102 c3ia7A_
not modelled
28.6
23
PDB header: transferaseChain: A: PDB Molecule: calg4;
PDBTitle: crystal structure of calg4, the calicheamicin glycosyltransferase
103 c3oy2A_
not modelled
27.5
14
PDB header: viral protein,transferaseChain: A: PDB Molecule: glycosyltransferase b736l;
PDBTitle: crystal structure of a putative glycosyltransferase from paramecium2 bursaria chlorella virus ny2a
104 c2pv7B_
not modelled
26.7
27
PDB header: isomerase, oxidoreductaseChain: B: PDB Molecule: t-protein [includes: chorismate mutase (ec 5.4.99.5) (cm)
PDBTitle: crystal structure of chorismate mutase / prephenate dehydrogenase2 (tyra) (1574749) from haemophilus influenzae rd at 2.00 a resolution
105 d2hy5b1
not modelled
26.5
17
Fold: DsrEFH-likeSuperfamily: DsrEFH-likeFamily: DsrEF-like
106 c2i5bC_
not modelled
26.2
40
PDB header: transferaseChain: C: PDB Molecule: phosphomethylpyrimidine kinase;
PDBTitle: the crystal structure of an adp complex of bacillus2 subtilis pyridoxal kinase provides evidence for the3 parralel emergence of enzyme activity during evolution
107 d1n1ea2
not modelled
25.8
11
Fold: NAD(P)-binding Rossmann-fold domainsSuperfamily: NAD(P)-binding Rossmann-fold domainsFamily: 6-phosphogluconate dehydrogenase-like, N-terminal domain
108 d2d1pa1
not modelled
25.1
23
Fold: DsrEFH-likeSuperfamily: DsrEFH-likeFamily: DsrEF-like
109 c2f59B_
not modelled
24.9
24
PDB header: transferaseChain: B: PDB Molecule: 6,7-dimethyl-8-ribityllumazine synthase 1;
PDBTitle: lumazine synthase ribh1 from brucella abortus (gene bruab1_0785,2 swiss-prot entry q57dy1) complexed with inhibitor 5-nitro-6-(d-3 ribitylamino)-2,4(1h,3h) pyrimidinedione
110 c1jr2A_
not modelled
24.7
14
PDB header: lyaseChain: A: PDB Molecule: uroporphyrinogen-iii synthase;
PDBTitle: structure of uroporphyrinogen iii synthase
111 d1jr2a_
not modelled
24.7
14
Fold: HemD-likeSuperfamily: HemD-likeFamily: HemD-like
112 c1tjnA_
not modelled
24.6
8
PDB header: lyaseChain: A: PDB Molecule: sirohydrochlorin cobaltochelatase;
PDBTitle: crystal structure of hypothetical protein af0721 from archaeoglobus2 fulgidus
113 d1tjna_
not modelled
24.6
8
Fold: Chelatase-likeSuperfamily: ChelataseFamily: CbiX-like
114 c2qsjB_
not modelled
23.0
19
PDB header: transcriptionChain: B: PDB Molecule: dna-binding response regulator, luxr family;
PDBTitle: crystal structure of a luxr family dna-binding response2 regulator from silicibacter pomeroyi
115 c2jrlA_
not modelled
22.3
16
PDB header: transcriptionChain: A: PDB Molecule: transcriptional regulator (ntrc family);
PDBTitle: solution structure of the beryllofluoride-activated ntrc4 receiver2 domain dimer