Mechanism	b-elimination
3D Structure Status	7-bladed β-propeller
Note	Ulvan lyases cleave the bond between 3-sulfated rhamnose (Rha3S) linked to either D-glucuronic acid (GlcA) or L-iduronic acid (IduA) in the marine polysaccharide ulvan.
External resources	CAZypedia;
Statistics	GenBank accession (69); Uniprot accession (3); PDB accession (2); 3D entries (1); cryst (0)

Bacteria
Protein Name	EC#	Reference	Organism	GenBank	Uniprot	PDB/3D
ulvan lyase (SAMN05216261_0183)	4.2.2.- 4.2.2.-	pubmed pubmed pubmed pubmed	Algibacter luteus CGMCC 1.12213	SHI30876.1
ulvan lyase (ULA-3; ALT761_04173)	4.2.2.- 4.2.2.-	doi doi doi doi	Alteromonas sp. 76-1	VEM00386.1
ulvan lyase (ALT3695) (fragment)	4.2.2.- 4.2.2.-	pubmed pubmed pubmed pubmed	Alteromonas sp. A321	QFR04505.1	A0A5P8KND3
endo-ulvan lyase (ULA-2; KUL42_26900)	4.2.2.- 4.2.2.-	pubmed pubmed pubmed pubmed	Alteromonas sp. KUL42	GEA07929.1 TAP32765.1 WP_131094886.1
ulvan lyase (LOR_29)	4.2.2.- 4.2.2.-	doi doi doi doi	Alteromonas sp. LOR	WP_052010178.1
ulvan lyase (ULA-1) (partial)	4.2.2.- 4.2.2.-	doi doi doi doi	Alteromonas sp. TK-46(2)	WP_120963275.1
ulvan lyase (NLR_492; IL45_03835)	4.2.2.- 4.2.2.-	doi doi doi doi	Nonlabens ulvanivorans PLR	KEZ94292.1 WP_036580476.1	A0A084JZA8
ulvan lyase (PLSV_3936)	4.2.2.- 4.2.2.-	pubmed pubmed pubmed pubmed	Pseudoalteromonas sp. PLSV	WP_033186995.1	A0A1W2VMZ5	5UAM[A,B] 5UAS[A,B]
ulvan lyase (Uly25B; TsUly25B)	4.2.2.- 4.2.2.-	pubmed pubmed pubmed pubmed	Thalassomonas sp. LD5	UKQ19338.1
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