SQLAlchemy necessary table properties

When writing SQLAlchemy models for a pre-existing database, how much information about a table do I have to give? Consider this table which is part of a MySQL database:

CREATE TABLE entities (
    id INTEGER NOT NULL AUTO_INCREMENT,
    dn VARCHAR(100) NOT NULL UNIQUE,
    PRIMARY KEY (id)
) Engine=InnoDB, COLLATE utf8_unicode_ci;

Based on my testing, this would be sufficient to use it:

class Entity(Base):
    __tablename__ = 'entities'
    id          = Column('id', Integer, primary_key=True)
    dn          = Column('dn', String(100))

But of course its missing the UNIQUE, AUTO_INCREMENT, Engine and COLLATE information. Does SQLAlchemy care about these?

Of course I could use Reflection, but I would rather not due to consistency reasons.