4F13

Alginate lyase A1-III Y246F complexed with tetrasaccharide

Replaces:  4E25Replaces:  3EW4

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0016829	molecular_function	lyase activity
A	0042597	cellular_component	periplasmic space
B	0016829	molecular_function	lyase activity
B	0042597	cellular_component	periplasmic space

Catalytic Information from CSA

site_id	MCSA1
Number of Residues	5
Details	M-CSA 684

Chain	Residue	Details
A	TYR68	electrostatic stabiliser
A	ASN191	electrostatic stabiliser
A	HIS192	electrostatic stabiliser
A	ARG239	electrostatic stabiliser
A	PHE246	proton acceptor, proton donor, proton relay

---

site_id	MCSA2
Number of Residues	5
Details	M-CSA 684

Chain	Residue	Details
B	TYR68	electrostatic stabiliser
B	ASN191	electrostatic stabiliser
B	HIS192	electrostatic stabiliser
B	ARG239	electrostatic stabiliser
B	PHE246	proton acceptor, proton donor, proton relay

---