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                                                                   EXHIBIT 4.5

         This Capital Securities Certificate is a Global Capital Securities
Certificate within the meaning of the Trust Agreement hereinafter referred to
and is registered in the name of a Depositary or a nominee of a Depositary. This
Capital Securities Certificate is exchangeable for Capital Securities
Certificates registered in the name of a person other than the Depositary or its
nominee only in the limited circumstances described in the Trust Agreement and
may not be transferred except as a whole by the Depositary to a nominee of the
Depositary or by a nominee of the Depositary to the Depositary or another
nominee of the Depositary, except in the limited circumstances described in the
Trust Agreement.

         Unless this Capital Securities Certificate is presented by an
authorized representative of The Depository Trust Company, a New York
Corporation ("DTC"), to Triangle Capital Trust or its agent for registration of
transfer, exchange or payment, and any Capital Securities Certificate issued is
registered in the name of Cede & Co. or such other name as is requested by an
authorized representative of DTC (and any payment is made to Cede & Co. or to
such other entity as is requested by an authorized representative of DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO A PERSON IS
WRONGFUL inasmuch as the registered owner hereof, Cede & Co., has an interest
herein.

         THE CAPITAL SECURITIES WILL BE ISSUED AND MAY BE TRANSFERRED ONLY IN
BLOCKS HAVING A LIQUIDATION AMOUNT OF NOT LESS THAN $100,000 (100 CAPITAL
SECURITIES). ANY SUCH TRANSFER OF CAPITAL SECURITIES IN A BLOCK HAVING A
LIQUIDATION AMOUNT OF LESS THAN $100,000 SHALL BE DEEMED TO BE VOID AND OF NO
LEGAL EFFECT WHATSOEVER. ANY SUCH TRANSFEREE SHALL BE DEEMED NOT TO BE THE
HOLDER OF SUCH CAPITAL SECURITIES FOR ANY PURPOSE, INCLUDING BUT NOT LIMITED TO
THE RECEIPT OF DISTRIBUTIONS OF SUCH CAPITAL SECURITIES, AND SUCH TRANSFEREE
SHALL BE DEEMED TO HAVE NO INTEREST WHATSOEVER IN SUCH CAPITAL SECURITIES.

         NO EMPLOYEE BENEFIT OR OTHER PLAN OR INDIVIDUAL RETIREMENT ACCOUNT
SUBJECT TO TITLE I OF THE EMPLOYEE RETIREMENT INCOME SECURITY ACT OF 1974, AS
AMENDED ("ERISA"), OR SECTION 4975 OF THE INTERNAL REVENUE CODE OF 1986, AS
AMENDED (THE "CODE") (EACH, A "PLAN"), NO ENTITY WHOSE UNDERLYING ASSETS INCLUDE
"PLAN ASSETS" BY REASON OF ANY PLAN'S INVESTMENT IN THE ENTITY (A "PLAN ASSET
ENTITY"), AND NO PERSON INVESTING "PLAN ASSETS" OF ANY PLAN, MAY ACQUIRE OR HOLD
THIS CAPITAL SECURITIES CERTIFICATE OR ANY INTEREST HEREIN, UNLESS SUCH PURCHASE
OR HOLDING IS COVERED BY THE EXEMPTIVE RELIEF PROVIDED BY U.S. DEPARTMENT OF
LABOR PROHIBITED TRANSACTION CLASS EXEMPTION ("PTCE") 96-23, 95-60, 91-38, 90-1
OR 84-14 OR ANOTHER APPLICABLE EXEMPTION WITH RESPECT TO SUCH PURCHASE OR
HOLDING. ANY PURCHASER OR HOLDER OF THIS CAPITAL SECURITIES CERTIFICATE OR ANY
INTEREST HEREIN THAT IS A PLAN OR A PLAN ASSET ENTITY OR IS PURCHASING SUCH
SECURITIES ON BEHALF OF OR WITH "PLAN ASSETS" WILL BE DEEMED TO HAVE REPRESENTED
BY ITS PURCHASE AND HOLDING HEREOF THAT (A) THE PURCHASE AND HOLDING OF THE
CAPITAL SECURITIES IS COVERED BY THE EXEMPTIVE RELIEF PROVIDED BY PTCE 96-23,
95-60, 91-38, 90-1 OR 84-14 OR ANOTHER APPLICABLE EXEMPTION, (B) THE COMPANY
AND THE ADMINISTRATORS ARE NOT "FIDUCIARIES" WITHIN THE MEANING OF SECTION 3(21)
OF ERISA AND THE REGULATIONS THEREUNDER, WITH RESPECT TO SUCH PERSON'S
INTEREST IN THE CAPITAL SECURITIES OR THE JUNIOR SUBORDINATED DEBENTURES, AND
(C) IN PURCHASING THE CAPITAL SECURITIES SUCH PERSON APPROVES THE PURCHASE OF
THE JUNIOR SUBORDINATED DEBENTURES AND THE APPOINTMENT OF THE ISSUER TRUSTEES.



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CERTIFICATE NUMBER                                 AGGREGATE LIQUIDATION AMOUNT

         P-__                                                $20,000,000
                                                     (20,000 CAPITAL SECURITIES)


                                   CUSIP NO. __________

                    CERTIFICATE EVIDENCING CAPITAL SECURITIES

                                       OF

                             TRIANGLE CAPITAL TRUST

                            9.375% CAPITAL SECURITIES

                (LIQUIDATION AMOUNT $1,000 PER CAPITAL SECURITY)

     Triangle Capital Trust, a statutory business trust formed under the laws of
the State of Delaware (the "Issuer Trust"), hereby certifies that Cede & Co.
(the "Holder") is the registered owner of Twenty Million Dollars ($20,000,000)
aggregate liquidation amount of capital securities of the Issuer Trust
representing a preferred undivided beneficial interest in the assets of the
Issuer Trust and has designated the Triangle Capital Trust 9.375% Capital
Securities (liquidation amount $1,000 per Capital Security) (the "Capital
Securities"). The Capital Securities are transferable on the books and records
of the Issuer Trust, in person or by a duly authorized attorney, upon surrender
of this certificate duly endorsed and in proper form for transfer as provided in
Section 5.5 of the Trust Agreement (as defined below). The designations, rights,
privileges, restrictions, preferences and other terms and provisions of the
Capital Securities are set forth in, and this certificate and the Capital
Securities represented hereby are issued and shall in all respects be subject to
the terms and provisions of, the Amended and Restated Trust Agreement of the
Issuer Trust, dated as of June 3, 1997, as the same may be amended from time to
time (the "Trust Agreement"), among Triangle Bancorp, Inc., as Depositor,
Bankers Trust Company, as Property Trustee, Bankers Trust (Delaware), as
Delaware Trustee, and the Holders of Trust Securities, including the designation
of the terms of the Capital Securities as set forth therein. The Holder is
entitled to the benefits of the Guarantee Agreement entered into by Triangle
Bancorp, Inc., as Guarantor, and Bankers Trust Company, as Guarantee Trustee,
dated as of June 3, 1997 (the "Guarantee Agreement"), to the extent provided
therein. The Issuer Trust will furnish a copy of the Trust Agreement and the
Guarantee Agreement to the Holder without charge upon written request to the
Issuer Trust at its principal place of business or registered office.

     Upon receipt of this certificate, the Holder is bound by the Trust
Agreement and is entitled to the benefits thereunder.



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     IN WITNESS WHEREOF, one of the Administrators of the Issuer Trust has 
executed this certificate this ______ day of ________, 1997.


                                                 TRIANGLE CAPITAL TRUST

                                                 By:
                                                    --------------------------
                                                          Debra L. Lee
                                                          Administrator

COUNTERSIGNED AND REGISTERED:

BANKERS TRUST COMPANY,
     as Securities Registrar

By:
   ---------------------------  
     Authorized Signatory



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                                   ASSIGNMENT

     FOR VALUE RECEIVED, the undersigned assigns and transfers this Capital
Security to:

- - -------------------------------------------------------------------------------

                    (Insert assignee's social security or tax
                             identification number)

- - -------------------------------------------------------------------------------

- - -------------------------------------------------------------------------------

                    (Insert address and zip code of assignee)


and irrevocably appoints ______________________________________________________

- - -------------------------------------------------------------------------------

agent to transfer this Capital Securities Certificate on the books of the Issuer
Trust. The agent may substitute another to act for him or her.

Date:
     --------------

Signature:
          ---------------------------------------------------------------------
     
          (Sign exactly as your name appears on the other side of this
                         Capital SecuritiesCertificate)

The signature(s) should be guaranteed by an eligible guarantor institution
(banks, stockbrokers, savings and loan associations and credit unions with
membership in an approved signature guarantee medallion program), pursuant to
S.E.C. Rule 17Ad-15.