3T77: S25-2- A(2-4)KDO disaccharide complex

S25-2- A(2-4)KDO disaccharide complex. Determined by X-ray diffraction at 1.74 Å resolution. Released 24 Aug 2011.

Method
X-ray diffraction
Resolution
1.74 Å
Organism
Mus musculus
Chains
2
Atoms
3,856
Mol. weight
49.18 kDa
Ligands
MG, ZN
Released
24 Aug 2011

Explore 3T77 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3T77 contains 18 α-helices and 46 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 9 helices, 23 β-strands

ElementResiduesLengthSheet
β-strand4-741
β-strand10-1452
β-strand19-2571
β-strand3013
β-strand3113
β-strand33-3862
β-strand45-4952
β-strand53-5422
α-helix551
β-strand62-6761
β-strand70-7561
α-helix80-823
β-strand84-9072
β-strand96-9722
β-strand101-10662
β-strand11014
α-helix111-1122
β-strand113-11755
α-helix118-1203
α-helix121-1255
β-strand128-138115
β-strand13914
β-strand144-14966
β-strand152-15436
β-strand158-16255
α-helix163-1664
β-strand172-181105
α-helix182-1854
β-strand190-19676
α-helix2031
β-strand204-20966
α-helix210-2123
Chain B: 9 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand3-757
β-strand11-1228
β-strand18-2587
α-helix29-313
β-strand34-3969
β-strand46-5169
α-helix52B-52D3
β-strand55-5739
β-strand65-7067
β-strand75-8067
α-helix84-863
β-strand88-9479
β-strand100E-10129
β-strand105-10739
β-strand108-10928
α-helix113-1142
β-strand115110
α-helix116-1172
β-strand118-122511
β-strand133-1431111
β-strand144110
β-strand149-152412
α-helix153-1553
β-strand157112
β-strand161-163311
α-helix164-1663
β-strand167-169311
β-strand172-1821111
α-helix183-1853
β-strand192-197612
α-helix198-2003
β-strand202-207612

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
S25-2 FAB (IGG1K) light chainAprotein219Mus musculusQ52L64 (AlphaFold model)
S25-2 FAB (IGG1K) heavy chainBprotein224Mus musculus
Sequence of entity 1 (A), FASTA
>3T77_1 S25-2 FAB (IGG1K) light chain (chains A)
DIVMSQSPSSLAVSAGEKVTMSCKSSQSLLNSRTRKNYLAWYQQKPGQSPKLLIYWASTR
ESGVPDRFTGSGSGTDFTLTITSVQAEDLAVYYCKQSYNLRTFGGGTKLEIKRADAAPTV
SIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSM
SSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 2 (B), FASTA
>3T77_2 S25-2 FAB (IGG1K) heavy chain (chains B)
EVKLVESGGGLVQSGGSLRLSCATSGFTFTDYYMSWVRQPPGKALEWLGFIRNKANGYTT
EYSPSVKGRFTISRDNSQSILYLQMNTLRAEDSATYYCARDHDGYYERFSYWGQGTLVTV
SAAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQ
SDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVPRDC

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg2
ZNZinc ionZn1

Primary citation

Germline antibody recognition of distinct carbohydrate epitopes. Nguyen, H.P., Seto, N.O., MacKenzie, C.R. et al. Nat Struct Biol (2003) 10:1019-1025. DOI 10.1038/nsb1014 · PubMed

Other PDB entries of the same protein (UniProt Q52L64 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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