Annotations: 1U2M

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1u2mc1	Membrane and cell surface proteins and peptides	OmpH-like	OmpH-like	OmpH-like	Periplasmic chaperon skp (HlpA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1u2mc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1u2ma1	Membrane and cell surface proteins and peptides	OmpH-like	OmpH-like	OmpH-like	Periplasmic chaperon skp (HlpA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1u2ma2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1u2mb_	Membrane and cell surface proteins and peptides	OmpH-like	OmpH-like	OmpH-like	Periplasmic chaperon skp (HlpA)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2 Family	OmpH-like	8028299	4003018	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	OmpH-like	8040678	3000171	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	OmpH-like	8040678	3000171	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)
C	PF03938	e1u2mC1	A: a+b duplicates or obligate multimers	X: OmpH-like (From Topology)	H: OmpH-like (From Topology)	T: OmpH-like	F: PF03938	ECOD (1.6)
A	PF03938	e1u2mA1	A: a+b duplicates or obligate multimers	X: OmpH-like (From Topology)	H: OmpH-like (From Topology)	T: OmpH-like	F: PF03938	ECOD (1.6)
B	PF03938	e1u2mB1	A: a+b duplicates or obligate multimers	X: OmpH-like (From Topology)	H: OmpH-like (From Topology)	T: OmpH-like	F: PF03938	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.30.910.20	Alpha Beta	2-Layer Sandwich	Protein Binding, DinI Protein	Chain A	CATH (4.3.0)
A	3.30.910.20	Alpha Beta	2-Layer Sandwich	Protein Binding, DinI Protein	Chain A	CATH (4.3.0)
B	3.30.910.20	Alpha Beta	2-Layer Sandwich	Protein Binding, DinI Protein	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF03938	Outer membrane protein (OmpH-like) (OmpH)	Outer membrane protein (OmpH-like)	This family includes outer membrane proteins such as OmpH among others. Skp (OmpH) has been characterised as a molecular chaperone that interacts with unfolded proteins as they emerge in the periplasm from the Sec translocation machinery [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Histone-like protein HLP-1	unfolded protein binding protein binding binding lipid binding lipopolysaccharide binding carbohydrate derivative binding identical protein binding	membrane organization membrane biogenesis membrane assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cellular component organization or biogenesis cell envelope organization Gram-negative-bacterium-type cell outer membrane assembly external encapsulating structure organization regulation of protein stability biological regulation regulation of biological quality membrane organization membrane biogenesis membrane assembly cellular component organization cellular component biogenesis cellular component assembly cellular process cellular component organization or biogenesis cell envelope organization Gram-negative-bacterium-type cell outer membrane assembly external encapsulating structure organization regulation of protein stability biological regulation regulation of biological quality protein stabilization organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process metabolic process protein metabolic process macromolecule metabolic process protein localization cellular localization establishment of protein localization establishment of protein localization to membrane localization within membrane protein localization to membrane establishment of localization localization cellular macromolecule localization macromolecule localization protein insertion into membrane from inner side protein insertion into membrane protein maturation by protein folding chaperone-mediated protein folding	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR005632	Chaperone protein Skp	Family
A, B, C	IPR024930	Skp domain superfamily	Homologous Superfamily

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.