If you were required to pay these expenses under the partnership agreement, you may report your home office expenses on Schedule E (Partnership Income) as "Unreimbursed Partnership Expenses" (UPE). In this case, TurboTax will ask you about UPE (see screenshot below - click to enlarge), with follow-up entry at the end of the Schedule K-1 input.
Since you share the space with other partners, you would need to allocate the space (square footage) and expenses to each partner according to their percentage interest in the partnership.
There is no Home Office Deduction for a business tax return. Instead, a business may have office expenses (including an office building).
See instructions for Form 1040, Schedule E for more info from the IRS.
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