PF 1163B

CHEBI:66741 ·resolve ·ANTIFUNGAL ·EXACT SEEDED

A macrolide antibiotic that is 4,10-dimethyl-1-oxa-4-azacyclotridecane-2,5-dione substituted by a 4-(2-hydroxyethoxy)benzyl group at position 3 and a pentyl group at position 13 (the 3S,10R,13S stereoisomer). It is isolated from Penicillium sp.PF1163 and exhibits antifungal activity against the pathogenic fungal strain Candida albicans TIMM1768. — ChEBI

Machine-generated and unreviewed. Identity, structure and cross-references come straight from ChEBI's and CARD's own data; no curator has signed off on this record yet.

Classification

Strictly broader compounds or drug classes this molecule belongs to.

CHEBI:24995 CHEBI:24995
CHEBI:25105 CHEBI:25105
CHEBI:35618 CHEBI:35618

Chemical structure

Computed structure properties
Molecular formula	C27H43NO5
Charge	0
Average mass	461.643 Da
Monoisotopic mass	461.31412 Da
Source	ChEBI
InChIKey	PCRJJAXIHTZHNU-SDUSCBPUSA-N

SMILES

CCCCC[C@@H]1CC[C@H](C)CCCCC(=O)N(C)[C@@H](Cc2ccc(OCCO)cc2)C(=O)O1

InChI

InChI=1S/C27H43NO5/c1-4-5-6-10-24-15-12-21(2)9-7-8-11-26(30)28(3)25(27(31)33-24)20-22-13-16-23(17-14-22)32-19-18-29/h13-14,16-17,21,24-25,29H,4-12,15,18-20H2,1-3H3/t21-,24-,25+/m1/s1

Also called

(3S,10R,13R)-3-[4-(2-hydroxyethoxy)benzyl]-4,10-dimethyl-13-pentyl-1-oxa-4-azacyclotridecane-2,5-dione (EXACT_SYNONYM)— chebi
(−)-PF 1163B (EXACT_SYNONYM)— chebi

Cross-references

Equivalent identifiers for this same structure in other resources.

reaxys:8521076

Activity roles

Every antimicrobial role a source asserts for this compound — the unreduced evidence behind its antimicrobial_class.

CHEBI:33281 CHEBI:33281
CHEBI:35718 CHEBI:35718

Source concepts

Every upstream concept that resolved to this record. The merge is the product: this is what shows ChEBI and CARD are describing the same structure.

Upstream concepts merged into this record
Source	Native ID	Label	Minted CURIE	Version
CHEBI	`CHEBI:66741`	PF 1163B	`antibioticmech:chebi-b03d684048`	2026-08-30

Curation history

SEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Seeded from data/raw/ inventories (CHEBI)
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories
RESEEDED_FROM_SOURCES 2026-08-30 · seed_from_sources
Re-seeded from updated data/raw/ inventories

Provenance

Seeded by scripts/seed_from_sources.py from the committed inventories in data/raw/. View the record.