<!-- ============================================
     ::DATATOOL:: Generated from "seqfeat.asn"
     ::DATATOOL:: by application DATATOOL version 2.0.0
     ::DATATOOL:: on 04/26/2010 23:04:43
     ============================================ -->

<!-- ============================================ -->
<!-- This section is mapped from module "NCBI-TxInit"
================================================= -->

<!--
********************************************************************

  Transcription Initiation Site Feature Data Block
  James Ostell, 1991
  Philip Bucher, David Ghosh
  version 1.1


********************************************************************
-->

<!-- Elements used by other modules:
          Txinit -->

<!-- Elements referenced from other modules:
          Gene-ref FROM NCBI-Gene,
          Prot-ref FROM NCBI-Protein,
          Org-ref FROM NCBI-Organism -->
<!-- ============================================ -->


<!ELEMENT Txinit (
        Txinit_name, 
        Txinit_syn?, 
        Txinit_gene?, 
        Txinit_protein?, 
        Txinit_rna?, 
        Txinit_expression?, 
        Txinit_txsystem, 
        Txinit_txdescr?, 
        Txinit_txorg?, 
        Txinit_mapping-precise?, 
        Txinit_location-accurate?, 
        Txinit_inittype?, 
        Txinit_evidence?)>

<!-- descriptive name of initiation site -->
<!ELEMENT Txinit_name (#PCDATA)>

<!-- synonyms -->
<!ELEMENT Txinit_syn (Txinit_syn_E*)>


<!ELEMENT Txinit_syn_E (#PCDATA)>

<!-- gene(s) transcribed -->
<!ELEMENT Txinit_gene (Gene-ref*)>

<!-- protein(s) produced -->
<!ELEMENT Txinit_protein (Prot-ref*)>

<!-- rna(s) produced -->
<!ELEMENT Txinit_rna (Txinit_rna_E*)>


<!ELEMENT Txinit_rna_E (#PCDATA)>

<!-- tissue/time of expression -->
<!ELEMENT Txinit_expression (#PCDATA)>
<!-- transcription apparatus used at this site -->
<!ELEMENT Txinit_txsystem %ENUM;>

<!--
    pol1	-  eukaryotic Pol I
    pol2	-  eukaryotic Pol II
    pol3	-  eukaryotic Pol III
    rna	-  RNA replicase
-->
<!ATTLIST Txinit_txsystem value (
        unknown |
        pol1 |
        pol2 |
        pol3 |
        bacterial |
        viral |
        rna |
        organelle |
        other
        ) #REQUIRED >


<!-- modifiers on txsystem -->
<!ELEMENT Txinit_txdescr (#PCDATA)>

<!-- organism supplying transcription apparatus -->
<!ELEMENT Txinit_txorg (Org-ref)>

<!-- mapping precise or approx -->
<!ELEMENT Txinit_mapping-precise EMPTY>
<!ATTLIST Txinit_mapping-precise value ( true | false ) "false" >


<!-- does Seq-loc reflect mapping -->
<!ELEMENT Txinit_location-accurate EMPTY>
<!ATTLIST Txinit_location-accurate value ( true | false ) "false" >


<!ELEMENT Txinit_inittype %ENUM;>
<!ATTLIST Txinit_inittype value (
        unknown |
        single |
        multiple |
        region
        ) #REQUIRED >


<!ELEMENT Txinit_evidence (Tx-evidence*)>


<!ELEMENT Tx-evidence (
        Tx-evidence_exp-code, 
        Tx-evidence_expression-system?, 
        Tx-evidence_low-prec-data?, 
        Tx-evidence_from-homolog?)>

<!ELEMENT Tx-evidence_exp-code %ENUM;>

<!--
    rna-seq	-  direct RNA sequencing
    rna-size	-  RNA length measurement
    np-map	-  nuclease protection mapping with homologous sequence ladder
    np-size	-  nuclease protected fragment length measurement
    pe-seq	-  dideoxy RNA sequencing
    cDNA-seq	-  full-length cDNA sequencing
    pe-map	-  primer extension mapping with homologous sequence ladder
    pe-size	-  primer extension product length measurement
    pseudo-seq	-  full-length processed pseudogene sequencing
    rev-pe-map	-  see NOTE (1) below
-->
<!ATTLIST Tx-evidence_exp-code value (
        unknown |
        rna-seq |
        rna-size |
        np-map |
        np-size |
        pe-seq |
        cDNA-seq |
        pe-map |
        pe-size |
        pseudo-seq |
        rev-pe-map |
        other
        ) #REQUIRED >


<!ELEMENT Tx-evidence_expression-system %ENUM;>
<!ATTLIST Tx-evidence_expression-system value (
        unknown |
        physiological |
        in-vitro |
        oocyte |
        transfection |
        transgenic |
        other
        ) #REQUIRED >


<!ELEMENT Tx-evidence_low-prec-data EMPTY>
<!ATTLIST Tx-evidence_low-prec-data value ( true | false ) "false" >


<!-- experiment actually done on -->
<!ELEMENT Tx-evidence_from-homolog EMPTY>
<!ATTLIST Tx-evidence_from-homolog value ( true | false ) "false" >
<!--
  close homolog
 NOTE (1) length measurement of a reverse direction primer-extension
          product (blocked  by  RNA  5'end)  by  comparison with
          homologous sequence ladder (J. Mol. Biol. 199, 587)
-->