9F7I | pdb_00009f7i

Crystal structure of Borrelia burgdorferi B31 CspZ in complex with human FH SCR6-7

• PDB DOI: https://doi.org/10.2210/pdb9F7I/pdb

• Classification: IMMUNE SYSTEM
• Organism(s): Borreliella burgdorferi B31, Homo sapiens
• Expression System: Escherichia coli BL21(DE3), Komagataella pastoris
• Mutation(s): No 


• Deposited: 2024-05-03 Released: 2024-12-25 
• Deposition Author(s): Brangulis, K., Surth, V., Marcinkiewicz, A.L., Akopjana, I., Kazaks, A., Bogans, J., Huber, A., Lin, Y.-P., Kraiczy, P.
• Funding Organization(s): Other government

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.85 Å
• R-Value Free: 
  0.261 (Depositor), 0.265 (DCC) 
• R-Value Work: 
  0.201 (Depositor), 0.213 (DCC) 
• R-Value Observed: 
  0.204 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Borrelia burgdorferi B31 CspZ in complex with human FH SCR6-7

Brangulis, K., Surth, V., Marcinkiewicz, A.L., Akopjana, I., Kazaks, A., Bogans, J., Huber, A., Lin, Y.-P., Kraiczy, P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content 

• Total Structure Weight: 39.69 kDa 
• Atom Count: 2,743 
• Modeled Residue Count: 331 
• Deposited Residue Count: 342 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Complement regulator-acquiring surface protein 2 (CRASP-2)	A	218	Borreliella burgdorferi B31	Mutation(s): 0  Gene Names: cspZ, BB_H06
UniProt
Find proteins for O50665 (Borreliella burgdorferi (strain ATCC 35210 / DSM 4680 / CIP 102532 / B31)) Explore O50665  Go to UniProtKB:  O50665

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Complement factor H	B	124	Homo sapiens	Mutation(s): 0  Gene Names: CFH, HF, HF1, HF2
UniProt & NIH Common Fund Data Resources
Find proteins for P08603 (Homo sapiens) Explore P08603  Go to UniProtKB:  P08603
PHAROS:  P08603 GTEx:  ENSG00000000971

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth B], E [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
ZN	C [auth A]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.85 Å
• R-Value Free:  0.261 (Depositor), 0.265 (DCC) 
• R-Value Work:  0.201 (Depositor), 0.213 (DCC) 
• R-Value Observed: 0.204 (Depositor) 

Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 44.661	α = 90
b = 67.095	β = 90
c = 143.602	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-12-25 
Deposition Author(s): Brangulis, K., Surth, V., Marcinkiewicz, A.L., Akopjana, I., Kazaks, A., Bogans, J., Huber, A., Lin, Y.-P., Kraiczy, P.

---

Funding Organization	Location	Grant Number
Other government		lzp-2021/1-0068

Revision History  

• Version 1.0: 2024-12-25
  Type: Initial release