UNITED STATES


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15 (d)
OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (date of earliest event reported) September 28, 2007

DEUTSCHE ALT-A SECURITIES MORTGAGE LOAN TRUST, SERIES 2007-3 (Exact name of Issuing Entity as specified in its charter)
ACE SECURITIES CORP. (Exact name of Depositor as specified in its charter)
DB STRUCTURED PRODUCTS, INC. (Exact name of Sponsor as specified in its charter)
ACE SECURITIES CORP. (Exact name of Registrant as specified in its charter)

Delaware (State or other jurisdiction of incorporation)	333-141008 (Commission File Number)		56-2088493 (IRS Employer ID Number)
6525 Morrison Boulevard Suite 318 Charlotte, North Carolina		28211
(Address of principal executive offices)		(Zip Code)
Registrant’s Telephone Number, including area code:		(704) 365-0569
No Change (Former name or former address, if changed since last report)

~~SECURITIES AND~~Check ~~EXCHANGE~~the ~~COMMISSION~~appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

~~Washington, D~~[ ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.C425) [ ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) ~~20549~~[ ] Pre-commencement communications pursuant to Rule 14d-2(d) under the Exchange Act (17 CFR 240.14d-2(b)) [ ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~FORM~~ Item 8-K.01. Other Events

~~CURRENT REPORT~~Item 8.01. Other Events.

~~Pursuant to~~McKee ~~Section~~Nelson 13LLP orhas 15been retained by this Registrant as counsel for its Registration Statement on Form S-3 (dCommission File No. 333-141008) ofin connection with various transactions. Legal opinions by McKee Nelson LLP to be incorporated into the Registration Statement are attached hereto as Exhibit 5.1 and Exhibit 8.1 and the related consent is attached as Exhibit 23.1.

~~Securities Exchange~~Item ~~Act~~9.01. Financial ofStatements ~~1934~~and Exhibits.

~~Date of Report~~ (~~Date of earliest event reported~~a) ~~October 30, 2006~~

~~ACE Securities~~Not ~~Corp~~applicable. (as depositor under a Pooling and Servicing Agreement, dated as of October 1, 2006, providing for, inter alia, the issuance of ACE Securities Corp. Home Equity Loan Trust, Series 2006-OP2 Asset Backed Pass-Through Certificates)

~~ACE Securities Corp.~~(b)

~~(Exact name~~Not ~~of registrant as specified in its charter)~~applicable.

Delaware	333-131727-16	56-2088493
(State or Other Jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)
6525 Morrison Blvd., Suite 318 Charlotte, North Carolina		28211
(Address of Principal Executive Offices)		(Zip Code)

(c)

~~Registrant’s telephone~~Not ~~number, including area code, is (704) 365-0569~~applicable.

~~Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions~~ (~~see General Instruction A.2. below~~d):

~~o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)~~Exhibits:

~~o Soliciting material pursuant to Rule 14a-12(b) under the Exchange Act (17 CFR 240~~5.~~14a-12(b))~~1

~~o Pre-commencement communications~~Opinion ~~pursuant~~of toMcKee ~~Rule~~Nelson ~~14d-2(b)~~LLP ~~under~~as ~~the~~to ~~Exchange~~legality ~~Act~~ (17including ~~CFR 240.14d-2(b~~consent of such firm)).

~~o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR240~~8.~~13e-4(c))~~1

2Opinion of McKee Nelson LLP as to certain tax matters (including consent of such firm included in Exhibit 5.1).

Item 9.01(c).
	(a)	Not applicable
	(b)	Not applicable
	(c)	Not applicable
	(d)	Exhibits:
		5.1	Opinion of Thacher Proffitt & Wood LLP
		8.1	Opinion of Thacher Proffitt & Wood LLP (contained in Exhibit 5.1)
		23.1	Consent of Thacher Proffitt & Wood LLP (contained in Exhibit 5.1)

23.1 Consent of McKee Nelson LLP (included in Exhibit 5.1).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant ~~has~~ duly caused this report to be signed on its behalf by the undersigned ~~thereunto~~ hereunto duly authorized.

ACE ~~Securities~~SECURITIES ~~Corp~~CORP. ~~By: /s/ Evelyn Echevarria Name: Evelyn Echevarria Title: Vice President~~

By: /s/ ~~Doris~~Evelyn ~~J. Hearn Name: Doris J. Hearn Title: Vice President~~Echevarria

~~Dated~~Name: ~~October~~ ~~30,~~Evelyn ~~2006~~Echevarria

4Title: Vice President

By: /s/ Doris J. Hearn

Name: Doris J. Hearn

Title: Vice President

Dated: September 28, 2007

EXHIBIT INDEX

Exhibit No.

Description

Page No.

5.1

Opinion of McKee Nelson LLP as to legality (including consent of such firm).

8.1

Opinion of McKee Nelson LLP as to certain tax matters (including consent of such firm included in Exhibit 5.1).

23.1

Consent of McKee Nelson LLP (included in Exhibit 5.1).

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