3I57

Type 2 repeat of the mucus binding protein MUB from Lactobacillus reuteri

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Type 1 MUP repeat-like	8095854	4006031	SCOP2 (2022-06-29)
A	SCOP2 Family	Type 2 MUP repeat-like	8095856	4007810	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MUB repeats-like	8095855	3002709	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	MUB repeats-like	8095857	3002709	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	MUB repeats-like	8095857	3002709	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	MUB repeats-like	8095855	3002709	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF17965	e3i57A2	A: beta sandwiches	X: Mucin-binding protein domain (From Topology)	H: Mucin-binding protein domain (From Topology)	T: Mucin-binding protein domain	F: PF17965	ECOD (1.6)
A	PF17966	e3i57A3	A: beta sandwiches	X: Mucin-binding protein domain (From Topology)	H: Mucin-binding protein domain (From Topology)	T: Mucin-binding protein domain	F: PF17966	ECOD (1.6)
B	PF17965	e3i57B2	A: beta sandwiches	X: Mucin-binding protein domain (From Topology)	H: Mucin-binding protein domain (From Topology)	T: Mucin-binding protein domain	F: PF17965	ECOD (1.6)
B	PF17966	e3i57B3	A: beta sandwiches	X: Mucin-binding protein domain (From Topology)	H: Mucin-binding protein domain (From Topology)	T: Mucin-binding protein domain	F: PF17966	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.20.470	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
A	2.60.40.4300	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
B	3.10.20.470	Alpha Beta	Roll	Ubiquitin-like (UB roll)		CATH (4.3.0)
B	2.60.40.4300	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF17965	Mucin binding domain (MucBP_2)	Mucin binding domain	This domain is found in bacterial cell surface proteins that interact with mucins. The archetypal member of this family is the Mub-R5 B1 domain [1]. This domain has a beta-grasp fold [1].	Domain
A, B	PF17966	Muc B2-like domain (Muc_B2)	Muc B2-like domain	This entry corresponds to the Muc B2 domain [1]. This domain is related to the Muc B1 domain Pfam:PF17965. This domain may be involved in mucin binding. This domain is often found associated with the related Pfam:PF17965 in bacterial cell surface pro ...	This entry corresponds to the Muc B2 domain [1]. This domain is related to the Muc B1 domain Pfam:PF17965. This domain may be involved in mucin binding. This domain is often found associated with the related Pfam:PF17965 in bacterial cell surface proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Mucus binding protein	cation binding ion binding binding metal ion binding small molecule binding	-	membrane cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR005877	YSIRK Gram-positive signal peptide	Domain
A, B	IPR041558	Mucin binding domain	Domain
A, B	IPR041495	Mub B2-like domain	Domain
A, B	IPR019931	LPXTG cell wall anchor domain	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.