One of the parties having the interest in the same matter.的谓语是什么?having作什么成分?

One of the parties having the interest in the same matter.的谓语是什么?having作什么成分?

没有谓语 having the interest in the same matter 是现在分词短语充当定语修饰the parties 可以换谢成定语从句形似:one of the parties which have the interest in the same matter ..