1Cor 12:3:That appears to have some overlap but is, I think, distinct
- Ἰησοῦς is discourse old, we already know who Jesus is, so it's the topic. We say (or an imaginary person says) something about Jesus.
- ἀνάθεμα and κύριος tell what Jesus is (in someone's opinion), they are both statements about Jesus, so they are comments or focii in the information structure.
- There is ellipsis of the verb "be"; ἐστί can be implied.
- ὁ λόγος is what we are talking about in the discourse, it's the topic. The discourse says something about this λόγος.
- θεὸς tells what the word is, it's a statement about ὁ λόγος, so it's the focus in the information structure.
- The verb "be", in imperfect ἦν, is explicit.
- In both passages the focus is fronted before the topic.
- In both passages we have two nouns.
- In both passages the first noun tells what the second noun is.
- In both passages the second noun refers to a person (as we can see in John, too).