3ZD1 | pdb_00003zd1

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	ALO	e3zd1B3	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: ALO	ECOD (v294.1)
A	Ribonuc_L-PSP	e3zd1A3	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: HTH	T: winged helix domain	F: Ribonuc_L-PSP	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.10.70.10	Mainly Beta	Ribbon	Complement Module	domain 1	CATH (4.3.0)
A	2.10.70.10	Mainly Beta	Ribbon	Complement Module	domain 1	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B	PF00084	Sushi repeat (SCR repeat) (Sushi)	Sushi repeat (SCR repeat)		Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	COMPLEMENT FACTOR H-RELATED PROTEIN 2	opsonin binding protein binding binding complement component C3b binding complement binding identical protein binding	regulation of protein binding regulation of molecular function negative regulation of protein binding regulation of binding negative regulation of binding biological regulation negative regulation of molecular function humoral immune response regulation of biological process response to stimulus immune response positive regulation of biological process immune effector process positive regulation of response to stimulus regulation of protein binding regulation of molecular function negative regulation of protein binding regulation of binding negative regulation of binding biological regulation negative regulation of molecular function humoral immune response regulation of biological process response to stimulus immune response positive regulation of biological process immune effector process positive regulation of response to stimulus complement activation positive regulation of immune response regulation of response to stimulus immune system process regulation of immune response regulation of immune system process positive regulation of immune system process activation of immune response	cellular anatomical structure extracellular region protein-containing complex

Chains	Accession	Name	Type
A, B	IPR051503	Complement System Regulators and Virion Entry Mediators	Family
A, B	IPR000436	Sushi/SCR/CCP domain	Domain
A, B	IPR035976	Sushi/SCR/CCP superfamily	Homologous Superfamily

Chains	Drug Target	Associated Disease
A, B	Pharos: P36980	atypical hemolytic-uremic syndrome macular degeneration retinal degeneration

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.

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