Amended Statement of Beneficial Ownership (3/a)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Blackburn Stan	2. Date of Event Requiring Statement (MM/DD/YYYY) 5/11/2017	3. Issuer Name and Ticker or Trading Symbol aTYR PHARMA INC [LIFE]
(Last)        (First)        (Middle) 3545 JOHN HOPKINS COURT, SUITE 250	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                            _____ 10% Owner _____ Officer (give title below)          ___ X ___ Other (specify below) / Prior Acting CFO
(Street) SAN DIEGO, CA 92121        (City)              (State)              (Zip)	5. If Amendment, Date Original Filed (MM/DD/YYYY) 5/6/2015	6. Individual or Joint/Group Filing (Check Applicable Line) _ X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	11805   (1)	I	By the J. Stanhope and Karlene S. Blackburn Family Trust U.T.D. May 9, 2001   (2)

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	The 93,901 shares previously reported on May 6, 2015 were not adjusted for a one-for-7.95413 reverse stock split of our common stock on May 5, 2015 in connection with our initial public offering. The pre-split number of shares was inadvertently reported rather than the post-split number of shares.
(2)	The Reporting Person is a co-trustee of the J. Stanhope Blackburn and Karlene S. Blackburn Family Trust U.T.D. May 9, 2001.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Blackburn Stan 3545 JOHN HOPKINS COURT, SUITE 250 SAN DIEGO, CA 92121				Prior Acting CFO

Signatures
Nancy D. Krueger, Attorney-In-Fact		5/11/2017
** Signature of Reporting Person		Date

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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