Annotations: 5C2U

Ferredoxin-like domain of nucleoporin Nup54 bound to a nanobody

External Resource: Annotation

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth B]	d5c2ub_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	(Camelus dromedarius ) [TaxId: 9838 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B [auth A]	SCOP2 Family	Nup54-like	8049318	4006450	SCOP2 (2022-06-29)
B [auth A]	SCOP2 Superfamily	Nup54 ferredoxin-like domain-like	8053274	3002172	SCOP2 (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 [auth B]	KR	e5c2uB1	A: beta barrels	X: Cysteine proteinases-like	H: Cysteine proteinases	T: Cysteine proteinases	F: KR	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

IMGT Antibody Annotation IMGT Database Homepage

Chain	Protein Name	Description	Organism Name	Gene Allele Name(s)	Domain Name(s)	Receptor Type	Receptor Description	Provenance Source
A [auth B]	Arabian camel heavy chain VH domain	VH	Camelus dromedarius (Arabian camel)	IGHV3S101, IGHJ401	V-DOMAIN VH	IG	(VH)	IMGT (202617-0)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
A [auth B]	Heavy Chain	IGHV1	-	nup54	SAbDab (2026-05-08)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B [auth A]	Nup54	structural molecule activity structural constituent of nuclear pore	cellular component organization nucleus organization organelle organization nuclear pore organization protein-containing complex organization cellular process cellular component organization or biogenesis cellular localization protein localization to nucleus localization within membrane protein localization to membrane protein localization to nuclear envelope localization protein localization to organelle cellular component organization nucleus organization organelle organization nuclear pore organization protein-containing complex organization cellular process cellular component organization or biogenesis cellular localization protein localization to nucleus localization within membrane protein localization to membrane protein localization to nuclear envelope localization protein localization to organelle macromolecule localization intracellular protein localization protein localization to nuclear inner membrane establishment of protein localization NLS-bearing protein import into nucleus nucleocytoplasmic transport transport nuclear transport intracellular transport establishment of localization intercellular transport import into nucleus establishment of protein localization to organelle protein transport establishment of localization in cell protein import into nucleus intracellular protein transport RNA transport nitrogen compound transport nucleic acid transport mRNA transport establishment of RNA localization RNA localization nucleobase-containing compound transport	membrane-bounded organelle intracellular anatomical structure nuclear membrane membrane nucleus intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure organelle nuclear envelope organelle membrane protein-containing complex membrane-bounded organelle intracellular anatomical structure nuclear membrane membrane nucleus intracellular membrane-bounded organelle endomembrane system intracellular organelle organelle envelope cellular anatomical structure organelle nuclear envelope organelle membrane protein-containing complex nuclear protein-containing complex nuclear pore nuclear pore central transport channel
A [auth B]	Nanobody	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B [auth A]	IPR025712	Nucleoporin Nup54, alpha-helical domain	Domain
B [auth A]	IPR040985	Nup54, C-terminal interacting domain	Domain
B [auth A]	IPR024864	Nucleoporin Nup54/Nup57/Nup44	Family

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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.