Mechanism	Retaining e
Clan	GH-B
3D Structure Status	β-jelly roll
Catalytic Nucleophile/Base	Glu (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	Subfamilies established in (Viborg et al., 2019) [PMID: 31501245]
External resources	CAZypedia; PROSITE; XTH-World;
Statistics	GenBank accession (117); Uniprot accession (16); PDB accession (3); 3D entries (2); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
κ-carrageenase (CgkA; PcCgkA)	3.2.1.83	Pseudoalteromonas carrageenovora ATCC 43555	CAA50624.1 AAW20552.1	P43478	1DYP[A] 1.54 5OCQ[A,B] unknown-(1-3)-β-D-Galp4SO3-(1-1)-<non_carb> 1.70	17
κ-carrageenase (CgkA; ZgCgkA; zobellia_236)	3.2.1.83	Zobellia galactanivorans DsijT	CAZ94309.1 AAC27890.1 AAW20553.1 CAH61386.1	G0L921 O84907	5OCR[A,B,C,D] 1.66	17
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