5EKI

Crystal Structure of Truncated CCL21

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d5ekia_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d5ekib_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d5ekic_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d5ekid_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E	d5ekie_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d5ekif_	Alpha and beta proteins (a+b)	IL8-like	Interleukin 8-like chemokines	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Interleukin 8-like chemokines	8061444	4000912	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Interleukin 8-like chemokines	8061445	3001955	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Interleukin 8-like chemokines	8061445	3001955	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Interleukin 8-like chemokines	8061445	3001955	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Interleukin 8-like chemokines	8061445	3001955	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Interleukin 8-like chemokines	8061445	3001955	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Interleukin 8-like chemokines	8061445	3001955	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	PF00048	e5ekiA1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)
B	PF00048	e5ekiB1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)
C	PF00048	e5ekiC1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)
D	PF00048	e5ekiD1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)
E	PF00048	e5ekiE1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)
F	PF00048	e5ekiF1	A: beta barrels	X: IL8-related (From Homology)	H: IL8-related	T: IL8	F: PF00048	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
B	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
C	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
D	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
E	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)
F	2.40.50.40	Mainly Beta	Beta Barrel	OB fold (Dihydrolipoamide Acetyltransferase, E2P)		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF00048	Small cytokines (intecrine/chemokine), interleukin-8 like (IL8)	Small cytokines (intecrine/chemokine), interleukin-8 like	Includes a number of secreted growth factors and interferons involved in mitogenic, chemotactic, and inflammatory activity. Structure contains two highly conserved disulfide bonds.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	C-C motif chemokine 21	CCR chemokine receptor binding protein binding binding signaling receptor binding CCR7 chemokine receptor binding cytokine receptor binding G protein-coupled receptor binding chemokine receptor binding molecular function activator activity signaling receptor activator activity chemokine activity molecular function regulator activity cytokine activity signaling receptor regulator activity CCR chemokine receptor binding protein binding binding signaling receptor binding CCR7 chemokine receptor binding cytokine receptor binding G protein-coupled receptor binding chemokine receptor binding molecular function activator activity signaling receptor activator activity chemokine activity molecular function regulator activity cytokine activity signaling receptor regulator activity receptor ligand activity	mesangial cell-matrix adhesion cell adhesion cell-matrix adhesion cell-substrate adhesion cellular process cellular response to stimulus response to organic substance response to stimulus response to chemokine response to cytokine cellular response to chemokine cellular response to chemical stimulus response to chemical cellular response to cytokine stimulus mesangial cell-matrix adhesion cell adhesion cell-matrix adhesion cell-substrate adhesion cellular process cellular response to stimulus response to organic substance response to stimulus response to chemokine response to cytokine cellular response to chemokine cellular response to chemical stimulus response to chemical cellular response to cytokine stimulus cellular response to organic substance regulation of cellular process regulation of cellular component organization positive regulation of cellular component organization cell projection organization positive regulation of biological process plasma membrane bounded cell projection assembly cellular component biogenesis cellular component organization pseudopodium assembly cellular component assembly positive regulation of cell projection organization cellular component organization or biogenesis positive regulation of cellular process regulation of biological process plasma membrane bounded cell projection organization positive regulation of cellular component biogenesis regulation of cell projection organization regulation of cell projection assembly biological regulation regulation of cellular component biogenesis regulation of plasma membrane bounded cell projection assembly positive regulation of pseudopodium assembly regulation of pseudopodium assembly cell projection assembly regulation of plasma membrane bounded cell projection organization positive regulation of plasma membrane bounded cell projection assembly pseudopodium organization regulation of cell-substrate adhesion positive regulation of cell adhesion regulation of cell adhesion positive regulation of cell-matrix adhesion positive regulation of cell-substrate adhesion regulation of cell-matrix adhesion chemotaxis positive regulation of locomotion regulation of response to external stimulus response to external stimulus regulation of chemotaxis positive regulation of chemotaxis positive regulation of response to stimulus positive regulation of response to external stimulus taxis regulation of response to stimulus regulation of locomotion locomotion cell chemotaxis neutrophil chemotaxis neutrophil migration granulocyte migration leukocyte migration immune system process granulocyte chemotaxis myeloid leukocyte migration cell migration cell motility leukocyte chemotaxis signaling cell-cell signaling cell communication positive regulation of cell communication positive regulation of signal transduction regulation of signal transduction intracellular signal transduction positive regulation of JNK cascade regulation of intracellular signal transduction JNK cascade intracellular signaling cassette signal transduction regulation of signaling positive regulation of MAPK cascade regulation of JNK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade MAPK cascade regulation of cell communication positive regulation of signaling dendritic cell chemotaxis dendritic cell migration mononuclear cell migration regulation of localization import into cell transport vesicle-mediated transport localization positive regulation of endocytosis positive regulation of receptor-mediated endocytosis regulation of endocytosis regulation of transport regulation of receptor-mediated endocytosis regulation of vesicle-mediated transport establishment of localization positive regulation of transport endocytosis receptor-mediated endocytosis regulation of cell motility regulation of lymphocyte migration positive regulation of cell migration positive regulation of cell motility regulation of cell migration positive regulation of mononuclear cell migration regulation of immune system process regulation of mononuclear cell migration positive regulation of immune system process positive regulation of lymphocyte migration regulation of leukocyte migration positive regulation of T cell migration lymphocyte migration positive regulation of leukocyte migration regulation of T cell migration T cell migration ruffle organization multicellular organismal process regulation of leukocyte activation regulation of cell activation positive regulation of leukocyte cell-cell adhesion lymphocyte activation leukocyte cell-cell adhesion leukocyte activation positive regulation of cell-cell adhesion positive regulation of lymphocyte activation positive regulation of cell activation cell-cell adhesion T cell activation positive regulation of leukocyte activation regulation of multicellular organismal process regulation of cell-cell adhesion positive regulation of T cell activation cell activation regulation of T cell activation lymphocyte costimulation regulation of leukocyte cell-cell adhesion positive regulation of multicellular organismal process T cell costimulation regulation of lymphocyte activation lymphocyte chemotaxis cellular response to interleukin-1 response to interleukin-1 dendritic cell dendrite assembly positive regulation of canonical NF-kappaB signal transduction canonical NF-kappaB signal transduction regulation of canonical NF-kappaB signal transduction positive regulation of ERK1 and ERK2 cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade immune response cell surface receptor signaling pathway chemokine (C-C motif) ligand 21 signaling pathway cytokine-mediated signaling pathway chemokine-mediated signaling pathway G protein-coupled receptor signaling pathway positive regulation of glycoprotein metabolic process positive regulation of protein metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process positive regulation of cellular metabolic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process positive regulation of metabolic process organic substance metabolic process positive regulation of biosynthetic process organic substance biosynthetic process positive regulation of macromolecule metabolic process protein metabolic process regulation of glycoprotein biosynthetic process positive regulation of glycoprotein biosynthetic process carbohydrate derivative biosynthetic process regulation of biosynthetic process organonitrogen compound metabolic process regulation of protein metabolic process cellular metabolic process glycoprotein biosynthetic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process glycoprotein metabolic process macromolecule biosynthetic process regulation of glycoprotein metabolic process regulation of cellular biosynthetic process biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process positive regulation of cellular biosynthetic process negative regulation of locomotion negative regulation of biological process regulation of leukocyte adhesion to vascular endothelial cell negative regulation of cell adhesion leukocyte tethering or rolling negative regulation of leukocyte tethering or rolling negative regulation of cellular extravasation negative regulation of cellular process cellular extravasation negative regulation of cell migration negative regulation of leukocyte adhesion to vascular endothelial cell regulation of leukocyte tethering or rolling negative regulation of leukocyte migration negative regulation of leukocyte cell-cell adhesion negative regulation of immune system process leukocyte adhesion to vascular endothelial cell negative regulation of cell-cell adhesion negative regulation of cell motility regulation of cellular extravasation positive regulation of neutrophil chemotaxis regulation of leukocyte chemotaxis positive regulation of leukocyte chemotaxis positive regulation of granulocyte chemotaxis regulation of neutrophil chemotaxis regulation of neutrophil migration regulation of granulocyte chemotaxis positive regulation of neutrophil migration regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction positive regulation of phosphatidylinositol 3-kinase/protein kinase B signal transduction phosphatidylinositol 3-kinase/protein kinase B signal transduction developmental process cellular developmental process anatomical structure maturation cell differentiation anatomical structure development cell development cell maturation developmental maturation regulation of leukocyte apoptotic process dendritic cell apoptotic process negative regulation of dendritic cell apoptotic process negative regulation of programmed cell death leukocyte apoptotic process regulation of apoptotic process regulation of programmed cell death cell death negative regulation of apoptotic process negative regulation of leukocyte apoptotic process regulation of dendritic cell apoptotic process apoptotic process programmed cell death positive regulation of cell adhesion mediated by integrin regulation of cell adhesion mediated by integrin cell adhesion mediated by integrin cellular response to tumor necrosis factor response to tumor necrosis factor negative regulation of dendritic cell dendrite assembly negative regulation of plasma membrane bounded cell projection assembly negative regulation of cell projection organization regulation of dendritic cell dendrite assembly negative regulation of cellular component organization biological process involved in interspecies interaction between organisms response to type II interferon cellular response to type II interferon response to biotic stimulus response to stress innate immune response response to external biotic stimulus response to other organism defense response defense response to symbiont defense response to other organism regulation of myeloid dendritic cell chemotaxis positive regulation of myeloid dendritic cell chemotaxis myeloid dendritic cell chemotaxis positive regulation of dendritic cell chemotaxis regulation of dendritic cell chemotaxis response to ketone response to prostaglandin response to lipid response to endogenous stimulus response to alcohol response to oxygen-containing compound response to hormone response to prostaglandin E monocyte chemotaxis positive regulation of organelle organization regulation of cytoskeleton organization regulation of actin filament-based process regulation of cellular component size regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly positive regulation of protein polymerization protein-containing complex assembly actin filament-based process regulation of actin filament polymerization regulation of biological quality protein polymerization actin polymerization or depolymerization regulation of actin filament organization actin filament polymerization actin cytoskeleton organization protein-containing complex organization positive regulation of cytoskeleton organization actin filament organization regulation of actin polymerization or depolymerization positive regulation of supramolecular fiber organization regulation of organelle organization organelle organization regulation of protein polymerization regulation of actin filament length regulation of actin cytoskeleton organization regulation of supramolecular fiber organization supramolecular fiber organization positive regulation of actin filament polymerization cytoskeleton organization regulation of anatomical structure size cellular localization inorganic ion homeostasis intracellular calcium ion homeostasis homeostatic process monoatomic ion transmembrane transport calcium ion homeostasis negative regulation of sequestering of calcium ion calcium ion transport metal ion transport maintenance of location in cell monoatomic cation transmembrane transport intracellular monoatomic cation homeostasis monoatomic ion homeostasis monoatomic ion transport intracellular chemical homeostasis monoatomic cation homeostasis monoatomic cation transport regulation of sequestering of calcium ion intracellular monoatomic ion homeostasis calcium ion transmembrane import into cytosol sequestering of calcium ion inorganic ion transmembrane transport inorganic cation transmembrane transport maintenance of location transmembrane transport release of sequestered calcium ion into cytosol cellular homeostasis chemical homeostasis calcium ion transmembrane transport immunological synapse formation cell-cell recognition cell recognition filopodium assembly regulation of filopodium assembly positive regulation of filopodium assembly positive regulation of T cell chemotaxis regulation of lymphocyte chemotaxis regulation of T cell chemotaxis positive regulation of lymphocyte chemotaxis T cell chemotaxis establishment of lymphocyte polarity establishment of T cell polarity establishment or maintenance of cell polarity establishment of cell polarity inflammatory response regulation of dendritic cell antigen processing and presentation positive regulation of dendritic cell antigen processing and presentation positive regulation of antigen processing and presentation antigen processing and presentation regulation of antigen processing and presentation dendritic cell antigen processing and presentation	extracellular region extracellular space cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR001811	Chemokine interleukin-8-like domain	Domain
A, B, C, D, E A, B, C, D, E, F	IPR036048	Chemokine interleukin-8-like superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR039809	Chemokine beta/gamma/delta	Family
A, B, C, D, E A, B, C, D, E, F	IPR034133	Chemokine CC, DCCL motif-cointaining domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D, E A, B, C, D, E, F	Pharos: O00585	rheumatoid arthritis adenoma interstitial cystitis lung cancer breast carcinoma interstitial lung disease lung carcinoma hypertensive disorder lung adenocarcinoma psoriasis

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.