1H6I

A REFINED STRUCTURE OF HUMAN AQUAPORIN 1

Domain Annotation: SCOP Classification SCOP Database (version: 2.0) Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species
A	d1h6ia_	Membrane and cell surface proteins and peptides	Aquaporin-like	Aquaporin-like	Aquaporin-like	Aquaporin-1	(Homo sapiens ) [TaxId: 9606 ]

Domain Annotation: CATH CATH Database (version 4.2.0) Homepage

Chain	Domain	Class	Architecture	Topology	Homology
A	1.20.1080.10	Mainly Alpha	Up-down Bundle	Glycerol uptake facilitator protein	Glycerol uptake facilitator protein.

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Identifier	Description	Comments	Source
A	PF00230	Major intrinsic protein (MIP)	Major intrinsic protein	-	Family

Gene Product Annotation Gene Product Annotation

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	AQUAPORIN-1	transporter activity cation transmembrane transporter activity ammonium transmembrane transporter activity ion transmembrane transporter activity inorganic molecular entity transmembrane transporter activity transmembrane transporter activity inorganic cation transmembrane transporter activity anion transmembrane transporter activity carbon dioxide transmembrane transporter activity carbohydrate transmembrane transporter activity polyol transmembrane transporter activity glycerol transmembrane transporter activity organic hydroxy compound transmembrane transporter activity binding protein binding identical protein binding ion channel activity intracellular ligand-gated ion channel activity intracellular cyclic nucleotide activated cation channel activity intracellular cGMP-activated cation channel activity cation channel activity channel activity ligand-gated ion channel activity passive transmembrane transporter activity ligand-gated channel activity gated channel activity cyclic nucleotide-gated ion channel activity ligand-gated cation channel activity nitric oxide transmembrane transporter activity potassium channel activity potassium ion transmembrane transporter activity metal ion transmembrane transporter activity water transmembrane transporter activity water channel activity	cellular process cellular homeostasis homeostatic process biological regulation regulation of biological quality response to endogenous stimulus response to organic substance response to organonitrogen compound response to organic cyclic compound response to purine-containing compound response to chemical response to organophosphorus response to stimulus response to cAMP cellular response to stimulus cellular response to chemical stimulus cellular response to organic substance cellular response to cAMP cellular response to organic cyclic compound cellular response to organonitrogen compound cellular response to endogenous stimulus response to nitrogen compound cellular response to nitrogen compound response to oxygen-containing compound cellular response to oxygen-containing compound response to inorganic substance response to metal ion response to copper ion cellular response to inorganic substance cellular response to metal ion cellular response to copper ion response to hormone response to corticosteroid cellular response to hormone stimulus response to lipid response to steroid hormone response to glucocorticoid cellular response to steroid hormone stimulus cellular response to corticosteroid stimulus cellular response to glucocorticoid stimulus cellular response to lipid response to dexamethasone cellular response to dexamethasone stimulus response to ketone cellular response to ketone response to external stimulus response to mechanical stimulus response to abiotic stimulus cellular response to abiotic stimulus cellular response to mechanical stimulus cellular response to external stimulus cellular response to environmental stimulus response to mercury ion cellular response to mercury ion response to retinoic acid cellular response to retinoic acid response to radiation response to UV response to light stimulus cellular response to UV cellular response to radiation cellular response to light stimulus modulation of process of other organism biological process involved in symbiotic interaction biological process involved in interspecies interaction between organisms biological process involved in interaction with symbiont modulation of process of other organism involved in symbiotic interaction modulation by host of symbiont process maintenance of symbiont-containing vacuole by host water homeostasis multicellular organismal process multicellular organismal homeostasis chemical homeostasis regulation of body fluid levels multicellular organismal water homeostasis cell population proliferation positive regulation of cell population proliferation regulation of cell population proliferation fibroblast proliferation regulation of fibroblast proliferation positive regulation of fibroblast proliferation positive regulation of biological process positive regulation of cellular process regulation of biological process regulation of cellular process	apical part of cell cellular anatomical entity plasma membrane membrane apical plasma membrane cell periphery plasma membrane region basal plasma membrane basal part of cell basolateral plasma membrane brush border cluster of actin-based cell projections cell projection membrane brush border membrane cell projection plasma membrane bounded cell projection intracellular anatomical structure cytoplasm extracellular region extracellular space vesicle organelle membrane-bounded organelle extracellular organelle extracellular exosome extracellular vesicle integral component of membrane intrinsic component of membrane integral component of plasma membrane intrinsic component of plasma membrane nucleus nuclear envelope endomembrane system organelle membrane nuclear membrane organelle envelope envelope intracellular organelle intracellular membrane-bounded organelle sarcolemma host cellular component symbiont-containing vacuole host cell cytoplasm host cell part host intracellular part host cell cytoplasm part host intracellular region host cell extracellular membrane-bounded organelle

RCSB PDB is 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.