3PAK

Crystal Structure of Rat Surfactant Protein A neck and carbohydrate recognition domain (NCRD) complexed with Mannose

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

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3paka2	Alpha and beta proteins (a+b)	C-type lectin-like	C-type lectin-like	C-type lectin domain	Surfactant protein, lectin domain	brown rat,rat,rats (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
A	d3paka1	Coiled coil proteins	Parallel coiled-coil	Triple coiled coil domain of C-type lectins	Triple coiled coil domain of C-type lectins	Surfactant protein	brown rat,rat,rats (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	C-type lectin-like	8040193	3001261	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Triple coiled coil domain of C-type lectins	8040194	3001570	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	Lectin_C	e3pakA1	A: a+b complex topology	X: C-type lectin-like (From Homology)	H: C-type lectin-like	T: C-type lectin-like	F: Lectin_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.10.100.10	Alpha Beta	Roll	Mannose-Binding Protein A	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00059	Lectin C-type domain (Lectin_C)	Lectin C-type domain	This family includes both long and short form C-type	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pulmonary surfactant-associated protein A	binding carbohydrate binding cation binding ion binding metal ion binding small molecule binding	import into cell transport establishment of localization vesicle-mediated transport immune effector process phagocytosis, recognition opsonization localization immune system process phagocytosis cellular process cell recognition endocytosis rhythmic process import into cell transport establishment of localization vesicle-mediated transport immune effector process phagocytosis, recognition opsonization localization immune system process phagocytosis cellular process cell recognition endocytosis rhythmic process circadian rhythm multicellular organismal process respiratory gaseous exchange by respiratory system regulation of localization positive regulation of cellular component organization regulation of cellular process regulation of cellular component organization positive regulation of biological process cellular component organization positive regulation of endocytosis cellular component organization or biogenesis positive regulation of cellular process regulation of endocytosis regulation of biological process regulation of transport biological regulation regulation of phagocytosis regulation of vesicle-mediated transport positive regulation of phagocytosis positive regulation of transport response to nutrient levels response to organic substance response to stimulus response to lipid response to chemical response to nutrient response to vitamin A response to vitamin response to retinoic acid response to oxygen-containing compound response to interleukin-6 response to cytokine response to corticosteroid response to hormone response to steroid hormone response to endogenous stimulus response to glucocorticoid response to organic cyclic compound response to epidermal growth factor response to growth factor cellular response to stimulus response to mechanical stimulus response to external stimulus response to abiotic stimulus cellular response to mechanical stimulus cellular response to abiotic stimulus cellular response to external stimulus cellular response to environmental stimulus response to decreased oxygen levels response to hypoxia response to stress response to oxygen levels biological process involved in interspecies interaction between organisms response to other organism response to lipopolysaccharide response to biotic stimulus response to bacterium response to external biotic stimulus response to molecule of bacterial origin cellular response to nitrogen compound cellular response to inorganic substance response to nitrogen compound cellular response to oxygen-containing compound response to inorganic substance cellular response to nitric oxide cellular response to chemical stimulus response to nitric oxide cellular response to reactive nitrogen species response to hyperoxia response to increased oxygen levels	protein-containing complex collagen trimer membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm protein-containing complex collagen trimer membrane-bounded organelle intracellular anatomical structure endosome intracellular vesicle cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle organelle late endosome cytoplasm multivesicular body vesicle extracellular region extracellular space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR016187	C-type lectin fold	Homologous Superfamily
A	IPR001304	C-type lectin-like	Domain
A	IPR016186	C-type lectin-like/link domain superfamily	Homologous Superfamily
A	IPR018378	C-type lectin, conserved site	Conserved Site
A	IPR033990	Collectin, C-type lectin-like 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.