---
type: "example"
title: "MolecularDefinition Example: moleculardefinition-example-sequence-fmr1-cgg-20x-edited-contained"
resource: "MolecularDefinition"
example: "moleculardefinition-example-sequence-fmr1-cgg-20x-edited-contained"
---
# MolecularDefinition Example: moleculardefinition-example-sequence-fmr1-cgg-20x-edited-contained

## Example XML



```xml
<?xml version="1.0" encoding="UTF-8"?>
<MolecularDefinition xmlns="http://hl7.org/fhir">
    <id value="example-sequence-fmr1-cgg-20x-edited-contained"/>
    <contained>
        <MolecularDefinition>
            <id value="replacement"/>
            <moleculeType>
                <coding>
                    <system value="http://hl7.org/fhir/sequence-type"/>
                    <code value="dna"/>
                    <display value="DNA Sequence"/>
                </coding>
            </moleculeType>
            <representation>
                <literal>
                    <value value="A"/>
                </literal>
            </representation>
        </MolecularDefinition>
    </contained>
    <contained>
        <MolecularDefinition>
            <id value="replaced"/>
            <moleculeType>
                <coding>
                    <system value="http://hl7.org/fhir/sequence-type"/>
                    <code value="dna"/>
                    <display value="DNA Sequence"/>
                </coding>
            </moleculeType>
            <representation>
                <literal>
                    <value value="C"/>
                </literal>
            </representation>
        </MolecularDefinition>
    </contained>

    <moleculeType>
        <coding>
            <system value="http://hl7.org/fhir/sequence-type"/>
            <code value="dna"/>
            <display value="DNA Sequence"/>
        </coding>
    </moleculeType>
    <representation>
        <relative>
            <startingMolecule>
                <reference value="MolecularDefinition/example-sequence-fmr1-cgg-20x-repeat"/>
                <type value="MolecularDefinition"/>
                <display value="CGG 20X"/>
            </startingMolecule>
            <edit>
                <coordinateInterval>
                    <coordinateSystem>
                        <system>
                            <coding>
                                <system value="http://loinc.org"/>
                                <code value="LA30102-0"/>
                                <display value="1-based character counting"/>
                            </coding>
                            <text value="1-based character counting"/>
                        </system>
                    </coordinateSystem>
                    <start value="31"/>
                    <end value="31"/>
                </coordinateInterval>

                <replacementMolecule>
                    <reference value="#replacement"/>
                    <type value="MolecularDefinition"/>
                    <display value="A"/>
                </replacementMolecule>
                <replacedMolecule>
                    <reference value="#replaced"/>
                    <type value="MolecularDefinition"/>
                    <display value="C"/>
                </replacedMolecule>
            </edit>
        </relative>
    </representation>

</MolecularDefinition>
```