Attribute: code1Letter
One letter code, defined only for standard chem comps. For each molType there must be only one StdChemComp with a given oneLetterCode. This constraint is not checked by the model, as it would entail looping over all ChemComps whenever a check was made.
guid:
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www.ccpn.ac.uk_Fogh_2006-08-16-18:23:24_00026
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Model Type:
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Word
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Implementation Type:
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String
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Multiplicity:
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1..1
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Changeability:
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frozen
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isDerived:
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False
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isAutomatic:
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False
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isImplementation:
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False
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isImplicit:
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False
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isAbstract:
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False
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Scope:
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instance_level
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Default Value:
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None
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Constraint name:
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length_is_one
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python code
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value is None or len(value) == 1
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