Annotations: 4CP9

Crystal structure OF lecA lectin complexed with a divalent galactoside at 1.65 angstrom

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d4cp9b_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PA-IL, galactose-binding lectin 1	PA-IL, galactose-binding lectin 1	(Pseudomonas aeruginosa PAO1 ) [TaxId: 208964 ],	SCOPe (2.08)
C	d4cp9c_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PA-IL, galactose-binding lectin 1	PA-IL, galactose-binding lectin 1	(Pseudomonas aeruginosa PAO1 ) [TaxId: 208964 ],	SCOPe (2.08)
D	d4cp9d_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PA-IL, galactose-binding lectin 1	PA-IL, galactose-binding lectin 1	(Pseudomonas aeruginosa PAO1 ) [TaxId: 208964 ],	SCOPe (2.08)
A	d4cp9a_	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	PA-IL, galactose-binding lectin 1	PA-IL, galactose-binding lectin 1	(Pseudomonas aeruginosa PAO1 ) [TaxId: 208964 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	galactose-binding domain-like	8042929	3000087	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	galactose-binding domain-like	8042929	3000087	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	galactose-binding domain-like	8042929	3000087	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	galactose-binding domain-like	8042929	3000087	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)
B	Thiolase_C	e4cp9B1	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Thiolase_C	ECOD (v294.2)
C	Thiolase_C	e4cp9C1	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Thiolase_C	ECOD (v294.2)
D	Thiolase_C	e4cp9D1	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Thiolase_C	ECOD (v294.2)
A	Thiolase_C	e4cp9A1	A: beta barrels	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: Thiolase_C	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.60.120.430	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding lectin	CATH (4.3.0)
C	2.60.120.430	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding lectin	CATH (4.3.0)
D	2.60.120.430	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding lectin	CATH (4.3.0)
A	2.60.120.430	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding lectin	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, C, D	PF07828	PA-IL-like protein (PA-IL)	PA-IL-like protein	-	Family
A	PF07828	PA-IL-like protein (PA-IL)	PA-IL-like protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, C, D	PA-I GALACTOPHILIC LECTIN	binding carbohydrate binding	heterophilic cell-cell adhesion cell adhesion cell-cell adhesion cellular process	cell surface cellular anatomical structure extracellular region periplasmic space intracellular anatomical structure cytoplasm
A	PA-I GALACTOPHILIC LECTIN	binding carbohydrate binding	heterophilic cell-cell adhesion cell adhesion cell-cell adhesion cellular process	cell surface cellular anatomical structure extracellular region periplasmic space intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, C, D	IPR012905	PA-IL-like	Family
B, C, D	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A	IPR012905	PA-IL-like	Family
A	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
B, C, D	OCS	Parent Component: CYS : AA0556 : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460
A	OCS	Parent Component: CYS : AA0556 , AA0556 : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460 , L-cysteic acid (L-cysteine sulfonic acid) MOD:00460
A	TRO	Parent Component: TRP : AA0556 , AA0556 , AA0542 , AA0543 : L-cysteic acid (L-cysteine sulfonic acid) MOD:00460 , L-cysteic acid (L-cysteine sulfonic acid) MOD:00460 , 2'-hydroxy-L-tryptophan MOD:01816 , oxidation of tryptophan to 2'-oxo-L-tryptophan MOD:01817

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RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.