3OVU

Crystal Structure of Human Alpha-Haemoglobin Complexed with AHSP and the First NEAT Domain of IsdH from Staphylococcus aureus

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3ovua_	All alpha proteins	Spectrin repeat-like	Alpha-hemoglobin stabilizing protein AHSP	Alpha-hemoglobin stabilizing protein AHSP	Alpha-hemoglobin stabilizing protein AHSP	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d3ovub1	All beta proteins	Immunoglobulin-like beta-sandwich	NEAT domain-like	NEAT domain	automated matches	(Staphylococcus aureus subsp. aureus MSSA476 ) [TaxId: 282459 ],	SCOPe (2.08)
B	d3ovub2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Staphylococcus aureus subsp. aureus MSSA476 ) [TaxId: 282459 ],	SCOPe (2.08)
C	d3ovuc_	All alpha proteins	Globin-like	Globin-like	Globins	Hemoglobin, alpha-chain	(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	SCOP2B Superfamily	AHSP-like	8044227	3001135	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	NEAT domain-like	8055391	3002054	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Globin-like	8039836	3000554	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	AHSP	e3ovuA1	A: alpha bundles	X: Spectrin repeat-like	H: Alpha-hemoglobin stabilizing protein AHSP (From Topology)	T: Alpha-hemoglobin stabilizing protein AHSP	F: AHSP	ECOD (1.6)
B	NEAT	e3ovuB1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: NEAT	ECOD (1.6)
C	Globin	e3ovuC1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.58.420	Mainly Alpha	Up-down Bundle	Methane Monooxygenase Hydroxylase	Chain G, domain 1	CATH (4.3.0)
B	2.60.40.1850	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
C	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF09236	Alpha-haemoglobin stabilising protein (AHSP)	Alpha-haemoglobin stabilising protein	Alpha-haemoglobin stabilising protein (AHSP) acts a molecular chaperone for free alpha-haemoglobin, preventing the harmful aggregation of alpha-haemoglobin during normal erythroid cell development: it specifically protects free alpha-haemoglobin from ...	Alpha-haemoglobin stabilising protein (AHSP) acts a molecular chaperone for free alpha-haemoglobin, preventing the harmful aggregation of alpha-haemoglobin during normal erythroid cell development: it specifically protects free alpha-haemoglobin from precipitation. AHSP adopts a helical secondary structure consisting of an elongated antiparallel three alpha-helix bundle [1].	Domain
B	PF05031	Iron Transport-associated domain (NEAT)	Iron Transport-associated domain	NEAT domains are heme and/or hemoprotein-binding modules highly conserved in secondary structure [1]. They have roles in hemoprotein binding, heme extraction and heme transfer [2]	Domain
C	PF00042	Globin (Globin)	Globin	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Alpha-hemoglobin-stabilizing protein	hemoglobin binding protein binding binding unfolded protein binding	organic substance metabolic process organonitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process hemoglobin metabolic process regulation of protein stability biological regulation regulation of biological quality protein stabilization developmental process cellular developmental process hemopoiesis organic substance metabolic process organonitrogen compound metabolic process metabolic process primary metabolic process protein metabolic process macromolecule metabolic process hemoglobin metabolic process regulation of protein stability biological regulation regulation of biological quality protein stabilization developmental process cellular developmental process hemopoiesis cell differentiation anatomical structure development cell development cellular process cellular biosynthetic process cellular metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process organic substance biosynthetic process multicellular organismal process homeostatic process erythrocyte differentiation multicellular organismal-level homeostasis myeloid cell differentiation immune system process homeostasis of number of cells myeloid cell homeostasis erythrocyte homeostasis	protein-containing complex intracellular anatomical structure hemoglobin complex cytoplasm cellular anatomical entity cytosol
B	Iron-regulated surface determinant protein H	binding organic cyclic compound binding tetrapyrrole binding heme binding	-	extracellular region cellular anatomical entity
C	Hemoglobin subunit alpha	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity organic cyclic compound binding tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding organic acid binding	cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process oxygen transport localization transport gas transport establishment of localization one-carbon compound transport cellular catabolic process catabolic process cellular metabolic process hydrogen peroxide metabolic process reactive oxygen species metabolic process metabolic process cellular process hydrogen peroxide catabolic process oxygen transport localization transport gas transport establishment of localization one-carbon compound transport organic substance transport carbon dioxide transport nitric oxide transport nitrogen compound transport response to hydrogen peroxide response to oxidative stress response to stimulus response to stress response to chemical response to oxygen-containing compound response to reactive oxygen species response to inorganic substance cellular response to stimulus cellular detoxification cellular response to chemical stimulus detoxification cellular oxidant detoxification cellular response to toxic substance response to toxic substance	protein-containing complex intracellular anatomical structure hemoglobin complex cytoplasm cellular anatomical entity cytosol haptoglobin-hemoglobin complex membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle protein-containing complex intracellular anatomical structure hemoglobin complex cytoplasm cellular anatomical entity cytosol haptoglobin-hemoglobin complex membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle blood microparticle intracellular vesicle membrane-enclosed lumen intracellular membrane-bounded organelle intracellular organelle lumen intracellular organelle cytoplasmic vesicle organelle lumen endocytic vesicle lumen endocytic vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR036468	AHSP superfamily	Homologous Superfamily
A	IPR015317	Alpha-haemoglobin stabilising protein	Family
B	IPR005877	YSIRK Gram-positive signal peptide	Domain
B	IPR006635	NEAT domain	Domain
B	IPR019930	Iron-regulated surface determinant protein H	Family
B	IPR048652	Iron-regulated surface determinant protein H/B, linker domain	Domain
B	IPR037250	NEAT domain superfamily	Homologous Superfamily
B	IPR019931	LPXTG cell wall anchor domain	Domain
C	IPR002338	Hemoglobin, alpha-type	Family
C	IPR002339	Hemoglobin, pi	Family
C	IPR009050	Globin-like superfamily	Homologous Superfamily
C	IPR012292	Globin/Protoglobin	Homologous Superfamily
C	IPR000971	Globin	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9NZD4	acute myeloid leukemia psoriasis MALT lymphoma tuberculosis osteosarcoma
C	Pharos: P69905	alpha thalassemia Heinz body anemia acquired polycythemia vera methemoglobinemia hemoglobin H disease polycythemia familial hemolytic anemia alpha thalassemia-intellectual disability syndrome type 1 sarcomatoid carcinoma carcinoma Mammary Neoplasms, Experimental type 2 diabetes mellitus cerebral infarction hemolytic anemia inborn carbohydrate metabolic disorder alpha thalassemia Heinz body anemia acquired polycythemia vera methemoglobinemia hemoglobin H disease polycythemia familial hemolytic anemia alpha thalassemia-intellectual disability syndrome type 1 sarcomatoid carcinoma carcinoma Mammary Neoplasms, Experimental type 2 diabetes mellitus cerebral infarction hemolytic anemia inborn carbohydrate metabolic disorder mammary neoplasms, animal thalassemia congenital anemia facioscapulohumeral muscular dystrophy familial polycythemia hydrops fetalis lung adenocarcinoma beta thalassemia sickle cell anemia Hb Bart's hydrops fetalis hemoglobin M disease maturity-onset diabetes of the young breast carcinoma undifferentiated carcinoma diabetes mellitus

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.