Activities in Family	Trehalose 6-O-mycolyltransferase (EC 2.3.1.122); Diacylglycerol O-acyltransferase (EC 2.3.1.20); Carboxylic ester hydrolase (EC 3.1.1.-); Acetylxylan esterase (EC 3.1.1.72); Feruloyl esterase (EC 3.1.1.73);
3D Structure Status	( α / β / α)-sandwich
Note	Family CE1 also contains lots of other esterases such as PHB depolymerases.
External resources	CAZypedia;
Commercial Enzyme Provider(s)	MEGAZYME; NZYTech; PROZOMIX;
Statistics	GenBank accession (6357); Uniprot accession (12); PDB accession (26); 3D entries (7); cryst (1)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
Rv3803c (MPT51;FbpC1;FbpD;Ag85D)		Mycobacterium tuberculosis H37Rv	CAE55642.1 AAR75537.1 ABE19051.1 AFN51829.1 CAA05211.1 CAH23322.1 CAI30792.1 CCP46632.1 NP_218320.1		1R88[A,B] 1.71
Rv3804c (FbpA;Ag85A)		Mycobacterium tuberculosis H37Rv	CAA17868.1 AAA50288.1 AAB22869.1 AAC44295.1 ABE22074.1 ADD50052.1 AFN51830.1 CCP46633.1 NP_218321.1		1SFR[A,B,C] 2.70
Rv1886c (FbpB;Ag85B)		Mycobacterium tuberculosis H37Rv	CAB10044.1 AAB22872.1 AAB22874.1 AAC44294.1 AAF13448.1 ABE19097.1 ABE19098.1 ABE21998.1 ABE21999.1 ABE22010.1 ABE22073.1 ADD50054.1 AFN49815.1 CAA44269.1 CCP44652.1 NP_216402.1		1F0N[A] 1.80 1F0P[A] α-D-Glcp-(1-1)-α-D-Glcp 1.90
6-O-acylglucoside esterase / glucoside 6-O-acyltransferase / diacylglycerol acyltransferase / mycolyltransferase (FbpC;FbpC2;Ag85C;Rv0129c)	2.3.1.122 3.1.1.- 2.3.1.20	Mycobacterium tuberculosis H37Rv	CAE55244.1 AAB22871.1 AFN47977.1 CAA40506.1 CCP42854.1 NP_214643.1	P31953 P9WQN9	1DQY[A] 1.83 1DQZ[A,B] 1.50 1VA5[A] β-D-Glcp-(1-1)-octyl 2.02 3HRH[A,B] 2.30 4MQL[A] 1.30 4MQM[A] 1.35 4QDO[A] 1.90 4QDT[A] 1.50 4QDU[A] 1.40 4QDX[A] 1.50 4QDZ[A] 1.89 4QE3[A] 1.35 4QEK[A] α-D-Manp 1.30 5KWI[A] 1.30 5KWJ[A,B] 2.01 5OCJ[A,B] 1.80 5VNS[A] 1.45 7MYG[A,B] 2.51
Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
acetyl xylan esterase (AceA;AxeA;AwAXE)	3.1.1.72	Aspergillus awamori	BAA13434.1 BAA13434.2	Q92194	5X6S[A,B] 1.90
feruloyl esterase (AsFaeE; ASPSYDRAFT_1158585)	3.1.1.73	Aspergillus sydowii CBS 593.65	XP_040699905.1	A0A1L9T9J3	8IY8[A,B] 1.50 8IYB[A,B] 1.50 8IYC[A,B] 1.55
feruloyl esterase B (FaeB;TcFAE)		Talaromyces cellulolyticus CF-2612	BAP90855.1		cryst
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