4JDZ

Structures of SdrD from Staphylococcus aureus reveal the molecular mechanism of how the cell surface receptors recognize their ligands

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	Ser-Asp rich fibrinogen/bone sialoprotein-binding protein SdrD	polymer	445	48750.2	1	UniProt (E5QTK7) In PDB	Staphylococcus aureus subsp. aureus
2	A	Ser-Asp rich fibrinogen/bone sialoprotein-binding protein SdrD	polymer	438	47841.3	1	UniProt (E5QTK7) In PDB	Staphylococcus aureus subsp. aureus
3	B, A	CALCIUM ION	non-polymer		40.1	8	Chemie (CA)
4		water	water		18.0	496	Chemie (HOH)

Sequence modifications

B: 235 - 679 (UniProt: E5QTK7)

PDB	External Database	Details
Ile 254	Asp 254	engineered mutation
Ala 522	Glu 522	SEE REMARK 999
Ala 557	Gly 557	SEE REMARK 999
Ala 595	Lys 595	SEE REMARK 999
Ala 596	Thr 596	SEE REMARK 999
Ala 597	Asn 597	SEE REMARK 999
Ala 598	Lys 598	SEE REMARK 999
Ala 680	-	expression tag

A: 236 - 673 (UniProt: E5QTK7)

PDB	External Database	Details
Ala 236	Lys 236	SEE REMARK 999
Ile 254	Asp 254	engineered mutation
Ala 522	Glu 522	SEE REMARK 999
Ala 550	Gly 557	SEE REMARK 999
Ala 592	Asp 593	SEE REMARK 999
Ala 593	Asn 594	SEE REMARK 999
Ala 594	Lys 595	SEE REMARK 999
Ala 595	Thr 596	SEE REMARK 999
Ala 596	Asn 597	SEE REMARK 999
Ala 640	Asn 641	SEE REMARK 999
Ala 672	Lys 672	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	96591.5
Non-Polymers*	Number of molecules	8
	Total formula weight	320.6
All*	Total formula weight	96912.1

*Water molecules are not included.