ORF » Species Summary » Caenorhabditis elegans » nhr-210 cDNA ORF clone

nhr-210 cDNA ORF clone, Caenorhabditis elegans

The following nhr-210 gene cDNA ORF clone sequences were retrieved from the NCBI Reference Sequence Database (RefSeq). These sequences represent the protein coding region of the nhr-210 cDNA ORF which is encoded by the open reading frame (ORF) sequence. ORF sequences can be delivered in our standard vector, pcDNA3.1+/C-(K)DYK or the vector of your choice as an expression/transfection-ready ORF clone. Not the clone you want? Click here to find your clone.

***CloneID Accession No. Definition **Vector *Turnaround time Price (USD) Select
OCa344750 NM_070830.2
Latest version!		 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA. pcDNA3.1-C-(k)DYK or customized vector 9-11 $258.30
$369.00
OCa602165 NM_001364046.2
Latest version!		 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), mRNA. pcDNA3.1-C-(k)DYK or customized vector 9-11 $223.30
$319.00
View Old Accession Versions >>
OCa602165 NM_001364046.1 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA. pcDNA3.1-C-(k)DYK or customized vector 9-11 $223.30
$319.00
Hide Old Accession Versions >>

ORF Online Only Promotion

Next-day Shipping ORF Clones ( in default vector with tag)
1 Clone 30% OFF
2-4 Clone 40% OFF
5 or more Clone 50% OFF
All Other ORF Clones
30% OFF

*Business Day

** You may select a custom vector to replace pcDNA3.1+/C-(K)DYK after clone is added to cart.

** GenScript guarantees 100% sequence accuracy of all synthetic DNA constructs we deliver, but we do not guarantee protein expression in your experimental system. Protein expression is influenced by many factors that may vary between experiments or laboratories. In addition, please pay attention to the signal peptide, propeptide and transit peptide in target ORF, which may affect the choice of vector (N/C terminal tag vector).

***One clone ID might be correlated to multiple accession numbers, which share the same CDS sequence.

  • Reference Sequences (Refseq)
    nhr-210 ( NM_070830.2 ) cDNA ORF clone, Caenorhabditis elegans -> NP_503231.2 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA.
    Price & Availability↑
    CloneID OCa344750
    Clone ID Related Accession (Same CDS sequence) NM_070830.2
    Accession Version NM_070830.2 Latest version! Documents for ORF clone product in default vector
    Sequence Information ORF Nucleotide Sequence (Length: 1014bp)
    Protein sequence
    SNP
    Vector pcDNA3.1-C-(k)DYK or customized vector User Manual
    Clone information Clone Map MSDS
    Tag on pcDNA3.1+/C-(K)DYK C terminal DYKDDDDK tags
    ORF Insert Method CloneEZ™ Seamless cloning technology
    Insert Structure linear
    Update Date 2017-10-10
    Organism Caenorhabditis elegans
    Product Nuclear Hormone Receptor family
    Comment Comment: REVIEWED REFSEQ: This record has been curated by WormBase. This record is derived from an annotated genomic sequence (NC_003283). On Aug 25, 2015 this sequence version replaced NM_070830.1. COMPLETENESS: incomplete on both ends. 

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    ATGGAAACTT CAAATTTCCA GTACCACCGG GACAGCCTTC ACGATTCTGA AAGCTCGTCA 
    GTCTTCAAAA AACTTGAAGC AAAACATTCA AAGCAAACAA TCTCGAAGAT TCCTAAATCA 
    TTCGAATGTT TTGTAGGTCG ACCTGGCATG ATCCTCTTCT GGGACGCACA AAAATCTAAA 
    CATCGAAAAA CCTTCATTGA TGTCAGCTAC CTGCTGGATG AAGCTACAAT GATTTTTAGG 
    CAACCCTCGG AAAATGTTCA CATTTTTGAA AATCAATTGC ATAGGCTGGC GATTGGATTG 
    AAAGTTGTCA GTGGAAATAC AAAAAACTAT AGATTCCTTA CAAAAATTGA TCAAAGGGAG 
    TTGTCCGACA CGTGGCAGTG GCAGTTTCTA ACTGTAGCAA AGTGGCTGAC GCATTTCAAG 
    CAATTTGATG CTTTAGAGGA GAAAGTCAAG CTCACCTTAC TACAATCTAC TTGGCATGTC 
    TGGTCCGTCC TGGATCACCA TTTTGCTTCC GCAGCTCATC ATAGAAGTAA TCCAAATGCT 
    CTGAAAACTC ATGCTGTCAC ACGCAGAGGA GTAATGATGG ATATGACAAA TGTTCATTTT 
    GACGCAAATT GGCTCAGTGG TTACCCATCT GCCGAATTGA ACAGATTTCT CCATGTTCCA 
    TCCCGATTTG ACATCACAGC TGCCCTGGAA GCCCTGCAAC CTACTGAAAT GGAACGGACA 
    TTTATGTTGG TCCAGCTATC ATTCGAGTAC GCTGGCAAAC GGTGTCAAGG AGAAATGCTT 
    CAGCTCACAG ATTATTTCCA ACAAGTCCTA GCTACCGATC TTCATGATTA TTATGTTAAG 
    GAACTTCGAA TGGAAAAATA TTTTGATAGA TTGGCAAAAC TGATGAAAGT GAACAATGCG 
    ATTCAGAAGA AACTCTGGGA GCAGAGACCA CGAATTGAGT TGGCAAAAGT TTTTGACCTG 
    ATTAAGCTGG AATTTTCTCA CCCGGAAATG TTCATGGATA CAGGATTCAA TTGA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

    RefSeq NP_503231.2
    CDS1..1014
    Translation

    Target ORF information:

    RefSeq Version NM_070830.2
    Organism Caenorhabditis elegans
    Definition Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA.

    Target ORF information:

    Epitope DYKDDDDK
    Bacterial selection AMPR
    Mammalian selection NeoR
    Vector pcDNA3.1+/C-(K)DYK
    		 NM_070830.2

    ORF Insert Sequence:

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    ATGGAAACTT CAAATTTCCA GTACCACCGG GACAGCCTTC ACGATTCTGA AAGCTCGTCA 
    GTCTTCAAAA AACTTGAAGC AAAACATTCA AAGCAAACAA TCTCGAAGAT TCCTAAATCA 
    TTCGAATGTT TTGTAGGTCG ACCTGGCATG ATCCTCTTCT GGGACGCACA AAAATCTAAA 
    CATCGAAAAA CCTTCATTGA TGTCAGCTAC CTGCTGGATG AAGCTACAAT GATTTTTAGG 
    CAACCCTCGG AAAATGTTCA CATTTTTGAA AATCAATTGC ATAGGCTGGC GATTGGATTG 
    AAAGTTGTCA GTGGAAATAC AAAAAACTAT AGATTCCTTA CAAAAATTGA TCAAAGGGAG 
    TTGTCCGACA CGTGGCAGTG GCAGTTTCTA ACTGTAGCAA AGTGGCTGAC GCATTTCAAG 
    CAATTTGATG CTTTAGAGGA GAAAGTCAAG CTCACCTTAC TACAATCTAC TTGGCATGTC 
    TGGTCCGTCC TGGATCACCA TTTTGCTTCC GCAGCTCATC ATAGAAGTAA TCCAAATGCT 
    CTGAAAACTC ATGCTGTCAC ACGCAGAGGA GTAATGATGG ATATGACAAA TGTTCATTTT 
    GACGCAAATT GGCTCAGTGG TTACCCATCT GCCGAATTGA ACAGATTTCT CCATGTTCCA 
    TCCCGATTTG ACATCACAGC TGCCCTGGAA GCCCTGCAAC CTACTGAAAT GGAACGGACA 
    TTTATGTTGG TCCAGCTATC ATTCGAGTAC GCTGGCAAAC GGTGTCAAGG AGAAATGCTT 
    CAGCTCACAG ATTATTTCCA ACAAGTCCTA GCTACCGATC TTCATGATTA TTATGTTAAG 
    GAACTTCGAA TGGAAAAATA TTTTGATAGA TTGGCAAAAC TGATGAAAGT GAACAATGCG 
    ATTCAGAAGA AACTCTGGGA GCAGAGACCA CGAATTGAGT TGGCAAAAGT TTTTGACCTG 
    ATTAAGCTGG AATTTTCTCA CCCGGAAATG TTCATGGATA CAGGATTCAA TTGA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

    nhr-210 ( NM_001364046.1 ) cDNA ORF clone, Caenorhabditis elegans -> NP_001350970.1 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA.
    Price & Availability↑
    CloneID OCa602165
    Clone ID Related Accession (Same CDS sequence) NM_001364046.1 , NM_001364046.2
    Accession Version NM_001364046.1 Documents for ORF clone product in default vector
    Sequence Information ORF Nucleotide Sequence (Length: 1212bp)
    Protein sequence
    SNP
    Vector pcDNA3.1-C-(k)DYK or customized vector User Manual
    Clone information Clone Map MSDS
    Tag on pcDNA3.1+/C-(K)DYK C terminal DYKDDDDK tags
    ORF Insert Method CloneEZ™ Seamless cloning technology
    Insert Structure linear
    Update Date 2019-04-08
    Organism Caenorhabditis elegans
    Product Nuclear Hormone Receptor family
    Comment Comment: REVIEWED REFSEQ: This record has been curated by WormBase. This record is derived from an annotated genomic sequence (NC_003283). COMPLETENESS: incomplete on both ends. 

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    1021
    1081
    1141
    1201
    ATGCCTTGCT GTAAAGTTTG CACCGCCGAA GGCTGCCACG GGACCCATTT TGGAACAATT 
    TGCTGTCGAG CTTGTGCAGC TTTTTTCAGA AGAACTGCAT TTTCAAAGTT AAGAAATTCC 
    AAATGTCGAA GTGCATCTTG TGATAAGGAA AAATCATTTT GCAAGCCTTG TCGATTACGA 
    AAATGTTTAG AAGTTGGGAT GGAAACTTCA AATTTCCAGT ACCACCGGGA CAGCCTTCAC 
    GATTCTGAAA GCTCGTCAGT CTTCAAAAAA CTTGAAGCAA AACATTCAAA GCAAACAATC 
    TCGAAGATTC CTAAATCATT CGAATGTTTT GTAGGTCGAC CTGGCATGAT CCTCTTCTGG 
    GACGCACAAA AATCTAAACA TCGAAAAACC TTCATTGATG TCAGCTACCT GCTGGATGAA 
    GCTACAATGA TTTTTAGGCA ACCCTCGGAA AATGTTCACA TTTTTGAAAA TCAATTGCAT 
    AGGCTGGCGA TTGGATTGAA AGTTGTCAGT GGAAATACAA AAAACTATAG ATTCCTTACA 
    AAAATTGATC AAAGGGAGTT GTCCGACACG TGGCAGTGGC AGTTTCTAAC TGTAGCAAAG 
    TGGCTGACGC ATTTCAAGCA ATTTGATGCT TTAGAGGAGA AAGTCAAGCT CACCTTACTA 
    CAATCTACTT GGCATGTCTG GTCCGTCCTG GATCACCATT TTGCTTCCGC AGCTCATCAT 
    AGAAGTAATC CAAATGCTCT GAAAACTCAT GCTGTCACAC GCAGAGGAGT AATGATGGAT 
    ATGACAAATG TTCATTTTGA CGCAAATTGG CTCAGTGGTT ACCCATCTGC CGAATTGAAC 
    AGATTTCTCC ATGTTCCATC CCGATTTGAC ATCACAGCTG CCCTGGAAGC CCTGCAACCT 
    ACTGAAATGG AACGGACATT TATGTTGGTC CAGCTATCAT TCGAGTACGC TGGCAAACGG 
    TGTCAAGGAG AAATGCTTCA GCTCACAGAT TATTTCCAAC AAGTCCTAGC TACCGATCTT 
    CATGATTATT ATGTTAAGGA ACTTCGAATG GAAAAATATT TTGATAGATT GGCAAAACTG 
    ATGAAAGTGA ACAATGCGAT TCAGAAGAAA CTCTGGGAGC AGAGACCACG AATTGAGTTG 
    GCAAAAGTTT TTGACCTGAT TAAGCTGGAA TTTTCTCACC CGGAAATGTT CATGGATACA 
    GGATTCAATT GA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

    RefSeq NP_001350970.1
    CDS1..1212
    Translation

    Target ORF information:

    RefSeq Version NM_001364046.1
    Organism Caenorhabditis elegans
    Definition Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), partial mRNA.

    Target ORF information:

    Epitope DYKDDDDK
    Bacterial selection AMPR
    Mammalian selection NeoR
    Vector pcDNA3.1+/C-(K)DYK
    		 NM_001364046.1

    ORF Insert Sequence:

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    1021
    1081
    1141
    1201
    ATGCCTTGCT GTAAAGTTTG CACCGCCGAA GGCTGCCACG GGACCCATTT TGGAACAATT 
    TGCTGTCGAG CTTGTGCAGC TTTTTTCAGA AGAACTGCAT TTTCAAAGTT AAGAAATTCC 
    AAATGTCGAA GTGCATCTTG TGATAAGGAA AAATCATTTT GCAAGCCTTG TCGATTACGA 
    AAATGTTTAG AAGTTGGGAT GGAAACTTCA AATTTCCAGT ACCACCGGGA CAGCCTTCAC 
    GATTCTGAAA GCTCGTCAGT CTTCAAAAAA CTTGAAGCAA AACATTCAAA GCAAACAATC 
    TCGAAGATTC CTAAATCATT CGAATGTTTT GTAGGTCGAC CTGGCATGAT CCTCTTCTGG 
    GACGCACAAA AATCTAAACA TCGAAAAACC TTCATTGATG TCAGCTACCT GCTGGATGAA 
    GCTACAATGA TTTTTAGGCA ACCCTCGGAA AATGTTCACA TTTTTGAAAA TCAATTGCAT 
    AGGCTGGCGA TTGGATTGAA AGTTGTCAGT GGAAATACAA AAAACTATAG ATTCCTTACA 
    AAAATTGATC AAAGGGAGTT GTCCGACACG TGGCAGTGGC AGTTTCTAAC TGTAGCAAAG 
    TGGCTGACGC ATTTCAAGCA ATTTGATGCT TTAGAGGAGA AAGTCAAGCT CACCTTACTA 
    CAATCTACTT GGCATGTCTG GTCCGTCCTG GATCACCATT TTGCTTCCGC AGCTCATCAT 
    AGAAGTAATC CAAATGCTCT GAAAACTCAT GCTGTCACAC GCAGAGGAGT AATGATGGAT 
    ATGACAAATG TTCATTTTGA CGCAAATTGG CTCAGTGGTT ACCCATCTGC CGAATTGAAC 
    AGATTTCTCC ATGTTCCATC CCGATTTGAC ATCACAGCTG CCCTGGAAGC CCTGCAACCT 
    ACTGAAATGG AACGGACATT TATGTTGGTC CAGCTATCAT TCGAGTACGC TGGCAAACGG 
    TGTCAAGGAG AAATGCTTCA GCTCACAGAT TATTTCCAAC AAGTCCTAGC TACCGATCTT 
    CATGATTATT ATGTTAAGGA ACTTCGAATG GAAAAATATT TTGATAGATT GGCAAAACTG 
    ATGAAAGTGA ACAATGCGAT TCAGAAGAAA CTCTGGGAGC AGAGACCACG AATTGAGTTG 
    GCAAAAGTTT TTGACCTGAT TAAGCTGGAA TTTTCTCACC CGGAAATGTT CATGGATACA 
    GGATTCAATT GA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

    nhr-210 ( NM_001364046.2 ) cDNA ORF clone, Caenorhabditis elegans -> NP_001350970.1 Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), mRNA.
    Price & Availability↑
    CloneID OCa602165
    Clone ID Related Accession (Same CDS sequence) NM_001364046.1 , NM_001364046.2
    Accession Version NM_001364046.2 Latest version! Documents for ORF clone product in default vector
    Sequence Information ORF Nucleotide Sequence (Length: 1212bp)
    Protein sequence
    SNP
    Vector pcDNA3.1-C-(k)DYK or customized vector User Manual
    Clone information Clone Map MSDS
    Tag on pcDNA3.1+/C-(K)DYK C terminal DYKDDDDK tags
    ORF Insert Method CloneEZ™ Seamless cloning technology
    Insert Structure linear
    Update Date 2019-10-17
    Organism Caenorhabditis elegans
    Product Nuclear Hormone Receptor family
    Comment Comment: REVIEWED REFSEQ: This record has been curated by WormBase. This record is derived from an annotated genomic sequence (NC_003283). On Sep 4, 2019 this sequence version replaced NM_001364046.1. 

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    1021
    1081
    1141
    1201
    ATGCCTTGCT GTAAAGTTTG CACCGCCGAA GGCTGCCACG GGACCCATTT TGGAACAATT 
    TGCTGTCGAG CTTGTGCAGC TTTTTTCAGA AGAACTGCAT TTTCAAAGTT AAGAAATTCC 
    AAATGTCGAA GTGCATCTTG TGATAAGGAA AAATCATTTT GCAAGCCTTG TCGATTACGA 
    AAATGTTTAG AAGTTGGGAT GGAAACTTCA AATTTCCAGT ACCACCGGGA CAGCCTTCAC 
    GATTCTGAAA GCTCGTCAGT CTTCAAAAAA CTTGAAGCAA AACATTCAAA GCAAACAATC 
    TCGAAGATTC CTAAATCATT CGAATGTTTT GTAGGTCGAC CTGGCATGAT CCTCTTCTGG 
    GACGCACAAA AATCTAAACA TCGAAAAACC TTCATTGATG TCAGCTACCT GCTGGATGAA 
    GCTACAATGA TTTTTAGGCA ACCCTCGGAA AATGTTCACA TTTTTGAAAA TCAATTGCAT 
    AGGCTGGCGA TTGGATTGAA AGTTGTCAGT GGAAATACAA AAAACTATAG ATTCCTTACA 
    AAAATTGATC AAAGGGAGTT GTCCGACACG TGGCAGTGGC AGTTTCTAAC TGTAGCAAAG 
    TGGCTGACGC ATTTCAAGCA ATTTGATGCT TTAGAGGAGA AAGTCAAGCT CACCTTACTA 
    CAATCTACTT GGCATGTCTG GTCCGTCCTG GATCACCATT TTGCTTCCGC AGCTCATCAT 
    AGAAGTAATC CAAATGCTCT GAAAACTCAT GCTGTCACAC GCAGAGGAGT AATGATGGAT 
    ATGACAAATG TTCATTTTGA CGCAAATTGG CTCAGTGGTT ACCCATCTGC CGAATTGAAC 
    AGATTTCTCC ATGTTCCATC CCGATTTGAC ATCACAGCTG CCCTGGAAGC CCTGCAACCT 
    ACTGAAATGG AACGGACATT TATGTTGGTC CAGCTATCAT TCGAGTACGC TGGCAAACGG 
    TGTCAAGGAG AAATGCTTCA GCTCACAGAT TATTTCCAAC AAGTCCTAGC TACCGATCTT 
    CATGATTATT ATGTTAAGGA ACTTCGAATG GAAAAATATT TTGATAGATT GGCAAAACTG 
    ATGAAAGTGA ACAATGCGAT TCAGAAGAAA CTCTGGGAGC AGAGACCACG AATTGAGTTG 
    GCAAAAGTTT TTGACCTGAT TAAGCTGGAA TTTTCTCACC CGGAAATGTT CATGGATACA 
    GGATTCAATT GA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

    RefSeq NP_001350970.1
    CDS57..1268
    Translation

    Target ORF information:

    RefSeq Version NM_001364046.2
    Organism Caenorhabditis elegans
    Definition Caenorhabditis elegans Nuclear Hormone Receptor family (nhr-210), mRNA.

    Target ORF information:

    Epitope DYKDDDDK
    Bacterial selection AMPR
    Mammalian selection NeoR
    Vector pcDNA3.1+/C-(K)DYK
    		 NM_001364046.2

    ORF Insert Sequence:

    1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    781
    841
    901
    961
    1021
    1081
    1141
    1201
    ATGCCTTGCT GTAAAGTTTG CACCGCCGAA GGCTGCCACG GGACCCATTT TGGAACAATT 
    TGCTGTCGAG CTTGTGCAGC TTTTTTCAGA AGAACTGCAT TTTCAAAGTT AAGAAATTCC 
    AAATGTCGAA GTGCATCTTG TGATAAGGAA AAATCATTTT GCAAGCCTTG TCGATTACGA 
    AAATGTTTAG AAGTTGGGAT GGAAACTTCA AATTTCCAGT ACCACCGGGA CAGCCTTCAC 
    GATTCTGAAA GCTCGTCAGT CTTCAAAAAA CTTGAAGCAA AACATTCAAA GCAAACAATC 
    TCGAAGATTC CTAAATCATT CGAATGTTTT GTAGGTCGAC CTGGCATGAT CCTCTTCTGG 
    GACGCACAAA AATCTAAACA TCGAAAAACC TTCATTGATG TCAGCTACCT GCTGGATGAA 
    GCTACAATGA TTTTTAGGCA ACCCTCGGAA AATGTTCACA TTTTTGAAAA TCAATTGCAT 
    AGGCTGGCGA TTGGATTGAA AGTTGTCAGT GGAAATACAA AAAACTATAG ATTCCTTACA 
    AAAATTGATC AAAGGGAGTT GTCCGACACG TGGCAGTGGC AGTTTCTAAC TGTAGCAAAG 
    TGGCTGACGC ATTTCAAGCA ATTTGATGCT TTAGAGGAGA AAGTCAAGCT CACCTTACTA 
    CAATCTACTT GGCATGTCTG GTCCGTCCTG GATCACCATT TTGCTTCCGC AGCTCATCAT 
    AGAAGTAATC CAAATGCTCT GAAAACTCAT GCTGTCACAC GCAGAGGAGT AATGATGGAT 
    ATGACAAATG TTCATTTTGA CGCAAATTGG CTCAGTGGTT ACCCATCTGC CGAATTGAAC 
    AGATTTCTCC ATGTTCCATC CCGATTTGAC ATCACAGCTG CCCTGGAAGC CCTGCAACCT 
    ACTGAAATGG AACGGACATT TATGTTGGTC CAGCTATCAT TCGAGTACGC TGGCAAACGG 
    TGTCAAGGAG AAATGCTTCA GCTCACAGAT TATTTCCAAC AAGTCCTAGC TACCGATCTT 
    CATGATTATT ATGTTAAGGA ACTTCGAATG GAAAAATATT TTGATAGATT GGCAAAACTG 
    ATGAAAGTGA ACAATGCGAT TCAGAAGAAA CTCTGGGAGC AGAGACCACG AATTGAGTTG 
    GCAAAAGTTT TTGACCTGAT TAAGCTGGAA TTTTCTCACC CGGAAATGTT CATGGATACA 
    GGATTCAATT GA

    The stop codons will be deleted if pcDNA3.1+/C-(K)DYK vector is selected.

見積依頼

Eメール

japanmarket@genscript.com

電話

03-6811-6572

FAX

03-6811-6573
050-3174-7589(受注専用)

オンラインフォーム

オンライン注文