U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ABSOLUTE
Molecular Formula C44H73N13O13
Molecular Weight 992.1297
Optical Activity UNSPECIFIED
Defined Stereocenters 11 / 11
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of SPR-741

SMILES

CC(C)C[C@@H]1NC(=O)[C@@H](CC2=CC=CC=C2)NC(=O)[C@H](CCN)NC(=O)[C@H](CCNC(=O)[C@@H](NC(=O)[C@H](CCN)NC(=O)[C@H](CCN)NC1=O)[C@@H](C)O)NC(=O)[C@@H](CO)NC(=O)[C@@H](NC(C)=O)[C@@H](C)O

InChI

InChIKey=JBFNEVNUGGFPBQ-DDMCRLCFSA-N
InChI=1S/C44H73N13O13/c1-22(2)19-31-40(66)52-27(11-15-45)36(62)51-29(13-17-47)39(65)57-34(23(3)59)43(69)48-18-14-30(53-42(68)33(21-58)56-44(70)35(24(4)60)49-25(5)61)38(64)50-28(12-16-46)37(63)55-32(41(67)54-31)20-26-9-7-6-8-10-26/h6-10,22-24,27-35,58-60H,11-21,45-47H2,1-5H3,(H,48,69)(H,49,61)(H,50,64)(H,51,62)(H,52,66)(H,53,68)(H,54,67)(H,55,63)(H,56,70)(H,57,65)/t23-,24-,27+,28+,29+,30+,31+,32-,33-,34+,35+/m1/s1

HIDE SMILES / InChI

Molecular Formula C45H75N13O13
Molecular Weight 1006.1563
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 11 / 11
E/Z Centers 0
Optical Activity UNSPECIFIED

Approval Year

Substance Class Chemical
Created
by admin
on Wed Apr 02 19:34:10 GMT 2025
Edited
by admin
on Wed Apr 02 19:34:10 GMT 2025
Record UNII
XQ4XZ5Y4KE
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
NAB-741
Preferred Name English
SPR-741
Code English
SPR741
Code English
N-Acetyl-3-D-serine-2-10-polymyxin B1
Common Name English
2-10-Polymyxin B1, N-acetyl-3-D-serine-
Common Name English
Code System Code Type Description
PUBCHEM
53323381
Created by admin on Wed Apr 02 19:34:10 GMT 2025 , Edited by admin on Wed Apr 02 19:34:10 GMT 2025
PRIMARY
FDA UNII
XQ4XZ5Y4KE
Created by admin on Wed Apr 02 19:34:10 GMT 2025 , Edited by admin on Wed Apr 02 19:34:10 GMT 2025
PRIMARY
CAS
1179330-52-9
Created by admin on Wed Apr 02 19:34:10 GMT 2025 , Edited by admin on Wed Apr 02 19:34:10 GMT 2025
PRIMARY
SMS_ID
300000042539
Created by admin on Wed Apr 02 19:34:10 GMT 2025 , Edited by admin on Wed Apr 02 19:34:10 GMT 2025
PRIMARY
Related Record Type Details
TARGET -> ACTIVATOR
SALT/SOLVATE -> PARENT
Related Record Type Details
ACTIVE MOIETY
A novel polymyxin B (PMB) analogue shown to potentiate several large-scaffold antibiotics in Gram-negative pathogens.