IP Library Patent Application 14142655
Patent Application
App. No. 14/142,655

COMPOUNDS AND METHODS FOR PURIFICATION OF SERINE PROTEASES

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Quick Facts
Patent No.
US None
App. No.
14/142,655
Abstract

Disclosed herein are compounds, compositions, methods and kits for purifying a serine protease and serine proteases purified with the compounds, compositions and methods.

Claims (80)

1 - 18 . (canceled)

19 . A compound selected from:

or a salt thereof.

20 . (canceled)

21 . An affinity solid support of Formula II:

or a salt thereof,

wherein:

R 21 is —CF 3 , —SO 2 CH 3 , —X-L-Y—Z,

R 22 is —OCH 3 , chloro, or X-L-Y—Z;

R 23 is hydrogen or chloro;

X is a covalent bond, O, S, SO 2 , C(O)NH, NHC(O) or NH;

L-Y—Z is -L 1 -Y—Z,

L 1 -Y—Z is

L 2 -Y—Z is

L 3 -Y—Z is

Y—Z is

Z is Capto™ resin;

q is 1, 2, 3, 4, 5, 6 or 7;

r is 1, 2, 3, 4, 5, 6 or 7;

s is 1, 2, 3, 4, 5, 6 or 7;

t is 1, 2, 3, 4, 5, 6 or 7;

v is 1, 2, 3, 4, 5, 6 or 7;

u is 1, 2, 3, 4, 5, 6 or 7;

w is 1, 2 or 3;

n, m, and p are either 0 or 1, with the provisos that

(1) when R 21 is

—CF 3 or —SO 2 CH 3 , and R 22 is —OCH 3 or chloro, then one of n, m, and p must be 1, and the others of n, m, and p must be zero; and

(2) when R 21 is other than

—CF 3 or —SO 2 CH 3 , or R 22 is X-L-Y—Z, then all of n, m, and p must be zero.

22 . The affinity solid support of claim 21 of Formula II-A:

wherein the variables are as defined in claim 21 .

23 . The affinity solid support of claim 21 of Formula II-B:

wherein the variables are as defined in claim 21 .

24 . The affinity solid support of claim 21 of Formula II-C:

wherein the variables are as defined in claim 21 .

25 . The affinity solid support of claim 21 of Formula II-D:

wherein the variables are as defined in claim 21 .

26 . The affinity solid support of claim 21 , wherein R 21 is

27 . The affinity solid support of claim 21 , wherein R 22 is —OCH 3 .

28 . The affinity solid support of claim 21 , wherein R 22 is X-L-Y—Z.

29 . The affinity solid support of claim 21 , wherein R 23 is hydrogen.

30 . The affinity solid support of claim 21 , wherein R 23 is chloro.

31 . The affinity solid support of claim 21 , wherein X is O.

32 . The affinity solid support of claim 21 , wherein X is a covalent bond.

33 . The affinity solid support of claim 21 , wherein X is S or SO 2 .

34 . The affinity solid support of claim 21 , wherein X is NH.

35 . The affinity solid support of any claim 21 , wherein L-Y—Z is -L 1 -Y—Z or

36 . The affinity solid support of claim 21 , wherein L-Y—Z is selected from the group consisting of

37 . The affinity solid support of claim 21 , wherein L 1 -Y—Z is selected from the group consisting of

38 . The affinity solid support of claim 21 , wherein each of q, r, s, and t is at least 3.

39 . The affinity solid support of claim 21 , wherein —X-L-Y—Z is selected from the group consisting of

40 . The affinity solid support of claim 21 which is

or a salt thereof.

41 . (canceled)

42 . An affinity solid support of formula:

or a salt thereof, wherein v is 1, 2, 3, 4, 5, 6 or 7 and Z is Capto™ resin.

43 - 52 . (canceled)

53 . A kit for purifying a serine protease comprising

(1) an affinity solid support of any claim 21 , and

(2) an elution buffer comprising a competitive agent.

54 . (canceled)

55 . A kit for purifying a serine protease comprising a compound of Formula I-D:

or a salt thereof,

and a resin of the Formula

wherein

R 1 is —CF 3 , —SO 2 CH 3 , —X-L-R,

R 2 is —OCH 3 , chloro, or X-L-R;

R 3 is hydrogen or chloro;

X is a covalent bond, O, S, SO 2 , C(O)NH, NHC(O) or NH;

L-R is —(CH 2 ) w —CO 2 H;

R is CO 2 H;

n, m, and p are either 0 or 1, with the provisos that

(1) when R 1 is

—CF 3 or —SO 2 CH 3 , and R 2 is —OCH 3 or chloro, then one of n, m, and p must be 1, and the others of n, m, and p must be zero; and

(2) when R 1 is other than

—CF 3 or —SO 2 CH 3 , or R 2 is X-L-R, then all of n, m, and p must be zero;

u is 1, 2, 3, 4, 5, 6 or 7, w is 1, 2 or 3 and Z is Capto™ resin.

56 . The kit of claim 54 , further comprising an elution buffer comprising a competitive agent.

57 . The kit of claim 54 , further comprising a washing buffer.

58 - 59 . (canceled)

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 21, 2022
From: ALEXION PHARMACEUTICALS, INC.
To: ALEXION PHARMA INTERNATIONAL OPERATIONS UNLIMITED COMPANY
Reel/Frame 060799/0729 →
CHANGE OF NAME Recorded Jan 7, 2021
From: PORTOLA PHARMACEUTICALS, INC.
To: PORTOLA PHARMACEUTICALS, LLC
Reel/Frame 054920/0739 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 7, 2021
From: PORTOLA PHARMACEUTICALS, LLC
To: ALEXION PHARMACEUTICALS, INC.
Reel/Frame 054921/0131 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 7, 2021
From: ALEXION PHARMA INTERNATIONAL OPERATIONS UNLIMITED COMPANY
To: ALEXION PHARMACEUTICALS, INC.
Reel/Frame 054922/0857 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 19, 2014
From: PANDEY, ANJALI; ROSE, JACK W.
To: PORTOLA PHARMACEUTICALS, INC.
Reel/Frame 032248/0803 →