Summary: Replication protein A C terminal
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Replication protein A Edit Wikipedia article
|Replication protein A C terminal|
Replication protein A (RPA) is a protein that binds to single-stranded DNA in eukaryotic cells. During DNA replication, RPA prevents single-stranded DNA (ssDNA) from winding back on itself or from forming secondary structures. This keeps DNA unwound for the polymerase to replicate it. RPA also binds to ssDNA during the initial phase of homologous recombination, an important process in DNA repair and prophase I of meiosis. Like its role in DNA replication, this keeps ssDNA from binding to itself (self-complementizing) so that the resulting nucleoprotein filament can then bound by Rad51 and its cofactors. RPA also binds to DNA during the Nucleotide Excision Repair process. This binding stabilizes the repair complex during the repair process. A bacterial homolog is called single-strand binding protein (SSB).
- Wold, MS (1997). "Replication protein A: heterotrimeric, single-stranded DNA-binding protein required for eukaryotic DNA metabolism". Annual Review of Biochemistry 66 (1): 61–92. doi:10.1146/annurev.biochem.66.1.61. PMID 9242902.
- Xuan, L; Wolf-Dietrich, H (2008). "Homologous recombination in DNA repair and DNA damage tolerance". Cell Research 18 (99): 99–113. doi:10.1038/cr.2008.1. PMC 3087377. PMID 18166982.
|This genetics article is a stub. You can help Wikipedia by expanding it.|
Replication protein A C terminal Provide feedback
This domain corresponds to the C terminal of the single stranded DNA binding protein RPA (replication protein A). RPA is involved in many DNA metabolic pathways including DNA replication, DNA repair, recombination, cell cycle and DNA damage checkpoints.
Zou Y, Liu Y, Wu X, Shell SM; , J Cell Physiol. 2006; [Epub ahead of print]: Functions of human replication protein A (RPA): From DNA replication to DNA damage and stress responses. PUBMED:16523492 EPMC:16523492
Internal database links
|Similarity to PfamA using HHSearch:||LexA_DNA_bind MarR HTH_DeoR HTH_11 HTH_IclR DUF2582 MarR_2 HTH_24 HTH_36|
External database links
This tab holds annotation information from the InterPro database.
InterPro entry IPR014892
This protein corresponds to the C-terminal of the single stranded DNA binding protein RPA (replication protein A). RPA is involved in many DNA metabolic pathways including DNA replication, DNA repair, recombination, cell cycle and DNA damage checkpoints.
- the number of sequences which exhibit this architecture
a textual description of the architecture, e.g. Gla, EGF x 2, Trypsin.
This example describes an architecture with one
Gladomain, followed by two consecutive
EGFdomains, and finally a single
- the UniProt description of the protein sequence
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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 202 members:AphA_like Arg_repressor B-block_TFIIIC Bac_DnaA_C BetR Bot1p BrkDBD CENP-B_N Cro Crp DDRGK Dimerisation DUF1133 DUF1153 DUF1323 DUF134 DUF1441 DUF1492 DUF1495 DUF1670 DUF1804 DUF1836 DUF1870 DUF2089 DUF2250 DUF2316 DUF3116 DUF3853 DUF387 DUF3908 DUF4095 DUF4364 DUF739 DUF742 DUF977 E2F_TDP ELK 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_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_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 KorB LacI LexA_DNA_bind LZ_Tnp_IS481 MADF_DNA_bdg MarR MarR_2 Med9 MerR MerR-DNA-bind MerR_1 MerR_2 Mga Mnd1 Mor MotA_activ MRP-L20 Myb_DNA-bind_2 Myb_DNA-bind_3 Myb_DNA-bind_4 Myb_DNA-bind_5 Myb_DNA-bind_6 Myb_DNA-binding Neugrin NUMOD1 OST-HTH P22_Cro PaaX PadR PAX PCI PCI_Csn8 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_S25 Rio2_N RNA_pol_Rpc34 RP-C RPA RPA_C RQC Rrf2 RTP SAC3_GANP SgrR_N Sigma54_CBD Sigma54_DBD Sigma70_ECF Sigma70_r2 Sigma70_r3 Sigma70_r4 Sigma70_r4_2 SpoIIID Sulfolobus_pRN TBPIP Terminase_5 TetR_N TFIIE_alpha Tn916-Xis Trans_reg_C TrfA TrmB Trp_repressor UPF0122 z-alpha
We make a range of alignments for each Pfam-A family:
- the curated alignment from which the HMM for the family is built
- the alignment generated by searching the sequence database using the HMM
- Representative Proteomes (RPs) at 15%, 35%, 55% and 75% co-membership thresholds
- alignment generated by searching the NCBI sequence database using the family HMM
- alignment generated by searching the metagenomics sequence database using the family HMM
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Curation and family details
|Number in seed:||23|
|Number in full:||349|
|Average length of the domain:||100.20 aa|
|Average identity of full alignment:||20 %|
|Average coverage of the sequence by the domain:||37.20 %|
|HMM build commands:||
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 23193494 -E 1000 --cpu 4 HMM pfamseq
|Family (HMM) version:||6|
|Download:||download the raw HMM for this family|
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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 RPA_C domain has been found. There are 16 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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