Summary: Poxvirus D5 protein-like
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Poxvirus D5 protein-like Provide feedback
This family includes D5 from Poxviruses which is necessary for viral DNA replication, and is a nucleic acid independent nucleoside triphosphatase. Members of this family are also found outside of poxviruses. This domain is a DNA-binding winged HTH domain.
Evans E, Klemperer N, Ghosh R, Traktman P; , J Virol 1995;69:5353-5361.: The vaccinia virus D5 protein, which is required for DNA replication, is a nucleic acid-independent nucleoside triphosphatase. PUBMED:7636979 EPMC:7636979
Internal database links
|Similarity to PfamA using HHSearch:||RFX_DNA_binding|
External database links
This tab holds annotation information from the InterPro database.
InterPro entry IPR004968
This domain is found at the C terminus of phage P4 alpha protein and related proteins. Phage P4 DNA replication depends on the product of the alpha gene, which has origin recognition ability, DNA helicase activity, and DNA primase activity. The structure of the protein can be summarised as follows: The N terminus provides the primase activity, the central region is the helicase/nucleoside triphosphatase domain and the ori DNA recognition resides in the C-terminal 1/3 of the protein [PUBMED:7635818].
The domain is also found at the C terminus of a number of proteins from orthopox viruses including vaccinia virus D5. D5 encodes a 90kDa protein that is transiently expressed at early times after infection. It has an nucleoside triphosphatase activity which is independent of common nucleic acid cofactors and it can hydrolyse all the common ribo- and deoxyribonucleoside triphosphates to diphosphates in the presence of a divalent cation [PUBMED:7636979].
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This family contains a diverse range of mostly DNA-binding domains that contain a helix-turn-helix motif.
The clan contains the following 217 members:AphA_like Arg_repressor ARID B-block_TFIIIC Bac_DnaA_C BetR Bot1p BrkDBD CENP-B_N Cro Crp CSN8_PSD8_EIF3K DDRGK Dimerisation Dimerisation2 DsrD DUF1133 DUF1153 DUF1323 DUF134 DUF1441 DUF1492 DUF1495 DUF1670 DUF1804 DUF1836 DUF1870 DUF2089 DUF2250 DUF2316 DUF2582 DUF3116 DUF3853 DUF387 DUF3908 DUF4364 DUF739 DUF742 DUF977 E2F_TDP Ets Exc F-112 FaeA Fe_dep_repr_C Fe_dep_repress FeoC Ftsk_gamma FUR GcrA GerE GntR HARE-HTH HemN_C Homeobox Homeobox_KN Homez HrcA_DNA-bdg HSF_DNA-bind HTH_1 HTH_10 HTH_11 HTH_12 HTH_13 HTH_15 HTH_16 HTH_17 HTH_18 HTH_19 HTH_20 HTH_21 HTH_22 HTH_23 HTH_24 HTH_25 HTH_26 HTH_27 HTH_28 HTH_29 HTH_3 HTH_30 HTH_31 HTH_32 HTH_33 HTH_34 HTH_35 HTH_36 HTH_37 HTH_38 HTH_39 HTH_40 HTH_41 HTH_42 HTH_43 HTH_45 HTH_46 HTH_47 HTH_5 HTH_6 HTH_7 HTH_8 HTH_9 HTH_AraC HTH_AsnC-type HTH_CodY HTH_Crp_2 HTH_DeoR HTH_IclR HTH_Mga HTH_micro HTH_OrfB_IS605 HTH_psq HTH_Tnp_1 HTH_Tnp_1_2 HTH_Tnp_4 HTH_Tnp_IS1 HTH_Tnp_IS630 HTH_Tnp_ISL3 HTH_Tnp_Mu_1 HTH_Tnp_Mu_2 HTH_Tnp_Tc3_1 HTH_Tnp_Tc3_2 HTH_Tnp_Tc5 HTH_WhiA HxlR IF2_N KORA KorB LacI LexA_DNA_bind LZ_Tnp_IS481 MADF_DNA_bdg MarR MarR_2 MerR MerR-DNA-bind MerR_1 MerR_2 Mga Mnd1 Mor MotA_activ MqsA_antitoxin MRP-L20 Myb_DNA-bind_2 Myb_DNA-bind_3 Myb_DNA-bind_4 Myb_DNA-bind_5 Myb_DNA-bind_6 Myb_DNA-bind_7 Myb_DNA-binding Neugrin NUMOD1 OST-HTH P22_Cro PaaX PadR PAX PCI Penicillinase_R Phage_AlpA Phage_antitermQ Phage_CI_repr Phage_CII Phage_rep_org_N Phage_terminase Pou Pox_D5 PuR_N Put_DNA-bind_N Rap1-DNA-bind Rep_3 RepA_C RepA_N RepC RepL Replic_Relax RFX_DNA_binding Ribosomal_S19e Ribosomal_S25 Rio2_N RNA_pol_Rpc34 RP-C RPA RPA_C RQC Rrf2 RTP RuvB_C SAC3_GANP SANT_DAMP1_like SatD SgrR_N Sigma54_CBD Sigma54_DBD Sigma70_ECF Sigma70_r2 Sigma70_r3 Sigma70_r4 Sigma70_r4_2 SLIDE SpoIIID Sulfolobus_pRN TBPIP Terminase_5 TetR_N TFIIE_alpha Tn916-Xis TraI_2_C Trans_reg_C TrfA TrmB Trp_repressor UPF0122 YdaS_antitoxin YokU z-alpha
We make a range of alignments for each Pfam-A family:
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Curation and family details
|Seed source:||Pfam-B_4009 (release 6.5)|
|Number in seed:||41|
|Number in full:||4918|
|Average length of the domain:||91.70 aa|
|Average identity of full alignment:||27 %|
|Average coverage of the sequence by the domain:||14.16 %|
|HMM build commands:||
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 80369284 -E 1000 --cpu 4 HMM pfamseq
|Family (HMM) version:||12|
|Download:||download the raw HMM for this family|
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There is 1 interaction for this family. More...
We determine these interactions using iPfam, which considers the interactions between residues in three-dimensional protein structures and maps those interactions back to Pfam families. You can find more information about the iPfam algorithm in the journal article that accompanies the website.
For those sequences which have a structure in the Protein DataBank, we use the mapping between UniProt, PDB and Pfam coordinate systems from the PDBe group, to allow us to map Pfam domains onto UniProt sequences and three-dimensional protein structures. The table below shows the structures on which the Pox_D5 domain has been found. There are 6 instances of this domain found in the PDB. Note that there may be multiple copies of the domain in a single PDB structure, since many structures contain multiple copies of the same protein seqence.
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