Annotations: 7DM2

crystal structure of the M. tuberculosis phosphate ABC transport receptor PstS-1 in complex with Fab p4-170

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
Protein Family 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)
C [auth H]	d7dm2h_	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	V set domains (antibody variable domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d7dm2l2	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	C1 set domains (antibody constant domain-like)	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth L]	d7dm2l1	All beta proteins	Immunoglobulin-like beta-sandwich	Immunoglobulin	automated matches	automated matches	Human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d7dm2a_	Alpha and beta proteins (a/b)	Periplasmic binding protein-like II	Periplasmic binding protein-like II	Phosphate binding protein-like	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type 2 solute binding protein-like	8038078	3000083	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 [auth H]		e7dm2H1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295.2)
B [auth L]		e7dm2L1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295.2)
A		e7dm2A1	A: alpha arrays	X: putative RnfG subunit of electron transport complex	H: putative RnfG subunit of electron transport complex	T: Aspartate/ornithine carbamoyltransferase	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

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

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
C [auth H]	Fab p4-36, anti-pstS1	VH-CH1	Homo sapiens (human)	IGHV3-2101, IGHV3-2102, IGHV3-2103, IGHV3-2104, IGHV3-2106, IGHJ501, IGHJ502, IGHG103, IGHG106, IGHG108	V-DOMAIN VH, C-DOMAIN CH1	IG	FAB-GAMMA-1_LAMBDA	IMGT (202642-0)
B [auth L]	Fab p4-36, anti-pstS1	1C-1C-LIKE-CH2-CH3	Homo sapiens (human)	TRDV101, IGLJ201, IGLJ301, IGLC201, IGLC202, IGLC304	V-DOMAIN V-DELTA, C-DOMAIN C-LAMBDA	IG	FAB-GAMMA-1_LAMBDA	IMGT (202642-0)
A	Phosphate-binding protein PstS 1 (Pr25-374) P9WGU1	null	Mycobacterium tuberculosis	-	-	TR	GH1	IMGT (202642-0)

SAbDab2 Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
C [auth H]	Heavy Chain	IGHV3	-	Phosphate-binding protein PstS 1	SAbDab (2026-10-30)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01547	Bacterial extracellular solute-binding protein (SBP_bac_1)	Bacterial extracellular solute-binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth H]	heavy chain	-	-	-
B [auth L]	light chain	-	-	-
A	Phosphate-binding protein PstS 1	ion binding binding anion binding phosphate ion binding small molecule binding	localization transport phosphate ion transport establishment of localization inorganic anion transport cellular response to stimulus cellular response to nutrient levels response to nutrient levels cellular response to phosphate starvation response to stimulus cellular response to stress response to stress cellular process response to starvation localization transport phosphate ion transport establishment of localization inorganic anion transport cellular response to stimulus cellular response to nutrient levels response to nutrient levels cellular response to phosphate starvation response to stimulus cellular response to stress response to stress cellular process response to starvation cellular response to starvation transmembrane transport phosphate ion transmembrane transport	cell surface cellular anatomical structure ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex external encapsulating structure extracellular region cell surface cellular anatomical structure ATPase dependent transmembrane transport complex protein-containing complex plasma membrane protein complex membrane plasma membrane membrane protein complex transporter complex ATP-binding cassette (ABC) transporter complex cell periphery transmembrane transporter complex external encapsulating structure extracellular region cell wall peptidoglycan-based cell wall

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050962	Phosphate-binding protein PstS-like	Family
A	IPR005673	Phosphate ABC transporter, substrate-binding protein PstS	Family
A	IPR024370	PBP domain	Domain