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6NLB

Crystal structure of de novo designed metal-controlled dimer of mutant B1 immunoglobulin-binding domain of Streptococcal Protein G (L12H, E15V, T16L, T18I, V29H, Y33H, N37L)-apo

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Immunoglobulin G-binding protein Gpolymer566233.94UniProt (P19909)
Pfam (PF01378)
StreptococcusIgG-binding protein G
2E, F
(A)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
3G, H, I, J
(A, B, C, D)
waterwater18.088Chemie (HOH)
Sequence modifications
A, B, C, D: 2 - 56 (UniProt: P19909)
PDBExternal DatabaseDetails
Met 1-initiating methionine
His 12Leu 313engineered mutation
Val 15Glu 316engineered mutation
Leu 16Thr 317engineered mutation
Ile 18Thr 319engineered mutation
His 29Val 330engineered mutation
His 33Tyr 334engineered mutation
Leu 37Asn 338engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight24935.8
Non-Polymers*Number of molecules2
Total formula weight48.6
All*Total formula weight24984.4
*Water molecules are not included.

239149

PDB entries from 2025-07-23

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