BP

GO:0002221

pattern recognition receptor signaling pathway

Any series of molecular signals generated as a consequence of a pattern recognition receptor (PRR) binding to one of its physiological ligands. PRRs bind pathogen-associated molecular pattern (PAMPs), structures conserved among microbial species, or damage-associated molecular pattern (DAMPs), endogenous molecules released from damaged cells.

IEA

BP

GO:0006898

receptor-mediated endocytosis

An endocytosis process in which cell surface receptors ensure specificity of transport. A specific receptor on the cell surface binds tightly to the extracellular macromolecule (the ligand) that it recognizes; the plasma-membrane region containing the receptor-ligand complex then undergoes endocytosis, forming a transport vesicle containing the receptor-ligand complex and excluding most other plasma-membrane proteins. Receptor-mediated endocytosis generally occurs via clathrin-coated pits and vesicles.

IEA

BP

GO:0007275

multicellular organism development

The biological process whose specific outcome is the progression of a multicellular organism over time from an initial condition (e.g. a zygote or a young adult) to a later condition (e.g. a multicellular animal or an aged adult).

IEA

BP

GO:0015031

protein transport

The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.

IEA

BP

GO:0030855

epithelial cell differentiation

The process in which a relatively unspecialized cell acquires specialized features of an epithelial cell, any of the cells making up an epithelium.

NAS|TAS

BP

GO:0043152

induction of bacterial agglutination

Any process in which infecting bacteria are clumped together by a host organism.

TAS

BP

GO:0044267

cellular protein metabolic process

The chemical reactions and pathways involving a specific protein, rather than of proteins in general, occurring at the level of an individual cell. Includes cellular protein modification.

TAS

BP

GO:0045087

innate immune response

Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.

TAS

BP

GO:0051607

defense response to virus

Reactions triggered in response to the presence of a virus that act to protect the cell or organism.

IEA

CC

GO:0005576

extracellular region

The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.

TAS

CC

GO:0005615

extracellular space

That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

IDA

CC

GO:0005737

cytoplasm

All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

IDA

CC

GO:0019898

extrinsic component of membrane

The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.

ISS

CC

GO:0030670

phagocytic vesicle membrane

The lipid bilayer surrounding a phagocytic vesicle.

IDA

CC

GO:0042589

zymogen granule membrane

The lipid bilayer surrounding a zymogen granule.

ISS

CC

GO:0070062

extracellular exosome

A membrane-bounded vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.

IDA

MF

GO:0005044

scavenger receptor activity

Combining with any modified low-density lipoprotein (LDL) or other polyanionic ligand and delivering the ligand into the cell via endocytosis. Ligands include acetylated and oxidized LDL, Gram-positive and Gram-negative bacteria, apoptotic cells, beta-amyloid fibrils, and advanced glycation end products (AGEs).

NAS|TAS

MF

GO:0005515

protein binding

Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).

IPI

MF

GO:0008329

signaling pattern recognition receptor activity

Combining with a pathogen-associated molecular pattern (PAMP), a structure conserved among microbial species, or damage-associated molecular pattern (DAMP), an endogenous molecule released from damaged cells), and transmitting a signal to initiate a change in cell activity.

TAS

MF

GO:0035375

zymogen binding

Interacting selectively and non-covalently with a zymogen, an enzymatically inactive precursor of an enzyme that is often convertible to an active enzyme by proteolysis.

ISS

MF

GO:0048306

calcium-dependent protein binding

Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of calcium.

TAS