Annotations: 4IFF

Structural organization of FtsB, a transmembrane protein of the bacterial divisome

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: PDBTM

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4iffa1	Coiled coil proteins	Parallel coiled-coil	Head morphogenesis protein gp7	Head morphogenesis protein gp7	automated matches	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d4iffa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4iffb1	Coiled coil proteins	Parallel coiled-coil	Head morphogenesis protein gp7	Head morphogenesis protein gp7	automated matches	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d4iffb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4iffc1	Coiled coil proteins	Parallel coiled-coil	Head morphogenesis protein gp7	Head morphogenesis protein gp7	automated matches	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d4iffc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4iffd1	Coiled coil proteins	Parallel coiled-coil	Head morphogenesis protein gp7	Head morphogenesis protein gp7	automated matches	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d4iffd2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Salasvirus phi29 ) [TaxId: 10756 ], (Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.400	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	1.20.5.400	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	1.20.5.400	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	1.20.5.400	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF11418	Phi29 scaffolding protein (Scaffolding_pro)	Phi29 scaffolding protein	-	Family
A, B, C, D	PF04977	Septum formation initiator (DivIC)	Septum formation initiator	-	Coiled-coil

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Fusion of phage phi29 Gp7 protein and Cell division protein FtsB	identical protein binding protein binding binding DNA binding nucleic acid binding	cell septum assembly cytokinesis cellular component biogenesis cellular component organization cellular component assembly cytokinetic process division septum assembly cellular process cell cycle cell division cellular component organization or biogenesis cell cycle process reproductive process in single-celled organism reproductive process cell septum assembly cytokinesis cellular component biogenesis cellular component organization cellular component assembly cytokinetic process division septum assembly cellular process cell cycle cell division cellular component organization or biogenesis cell cycle process reproductive process in single-celled organism reproductive process FtsZ-dependent cytokinesis asexual reproduction virion assembly viral process viral life cycle	cell division site cellular anatomical structure protein-containing complex intracellular anatomical structure divisome complex cell septum cytoplasm FtsBL complex cytosol FtsQBL complex cell periphery plasma membrane membrane viral capsid cell division site cellular anatomical structure protein-containing complex intracellular anatomical structure divisome complex cell septum cytoplasm FtsBL complex cytosol FtsQBL complex cell periphery plasma membrane membrane viral capsid virion component viral scaffold

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR023081	Cell division protein FtsB	Family
A, B, C, D	IPR007060	Septum formation initiator FtsL/DivIC	Family
A, B, C, D	IPR038032	Capsid assembly scaffolding protein Gp7	Homologous Superfamily
A, B, C, D	IPR024374	Bacteriophage phi-29 scaffolding protein Gp7	Family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C, D	PDBTM	Annotated as membrane protein by PDBTM

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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.