3SQJ: Serum albumin

Recombinant human serum albumin from transgenic plant. Determined by X-ray diffraction at 2.05 Å resolution. Released 2 Nov 2011.

Method
X-ray diffraction
Resolution
2.05 Å
Organism
Homo sapiens
Chains
2
Atoms
9,869
Mol. weight
135.97 kDa
Ligands
MYR
Released
2 Nov 2011

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

Secondary structure: helices and β-sheets

3SQJ contains 73 α-helices and 0 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: 37 helices, 0 β-strands

ElementResiduesLengthSheet
α-helix6-149
α-helix16-3015
α-helix36-5520
α-helix66-749
α-helix80-845
α-helix85-928
α-helix941
α-helix97-1059
α-helix116-1194
α-helix120-12910
α-helix131-14515
α-helix151-16818
α-helix174-22249
α-helix228-24720
α-helix250-26516
α-helix268-2703
α-helix276-2805
α-helix283-2919
α-helix293-2986
α-helix302-3043
α-helix3061
α-helix307-3115
α-helix315-3217
α-helix323-33715
α-helix343-36119
α-helix366-3705
α-helix373-39725
α-helix400-41415
α-helix420-43819
α-helix442-46625
α-helix471-4788
α-helix484-4896
α-helix497-5026
α-helix511-5155
α-helix518-53518
α-helix541-55818
α-helix565-58218
Chain B: 36 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix6-149
α-helix16-3015
α-helix36-5520
α-helix66-7510
α-helix80-845
α-helix85-928
α-helix941
α-helix97-1059
α-helix120-12910
α-helix131-14515
α-helix151-16818
α-helix174-22249
α-helix228-24720
α-helix250-26617
α-helix268-2714
α-helix278-2803
α-helix283-2919
α-helix293-2997
α-helix302-3043
α-helix3061
α-helix307-3115
α-helix315-3217
α-helix323-33614
α-helix343-36018
α-helix366-3705
α-helix373-41442
α-helix420-43819
α-helix442-46625
α-helix471-4788
α-helix481-4899
α-helix499-5013
α-helix505-5073
α-helix512-5154
α-helix518-53518
α-helix541-55818
α-helix565-57915

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Serum albuminA, Bprotein582Homo sapiensP02768 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>3SQJ_1 Serum albumin (chains A, B)
HKSEVAHRFKDLGEENFKALVLIAFAQYLQQCPFEDHVKLVNEVTEFAKTCVADESAENC
DKSLHTLFGDKLCTVATLRETYGEMADCCAKQEPERNECFLQHKDDNPNLPRLVRPEVDV
MCTAFHDNEETFLKKYLYEIARRHPYFYAPELLFFAKRYKAAFTECCQAADKAACLLPKL
DELRDEGKASSAKQRLKCASLQKFGERAFKAWAVARLSQRFPKAEFAEVSKLVTDLTKVH
TECCHGDLLECADDRADLAKYICENQDSISSKLKECCEKPLLEKSHCIAEVENDEMPADL
PSLAADFVESKDVCKNYAEAKDVFLGMFLYEYARRHPDYSVVLLLRLAKTYETTLEKCCA
AADPHECYAKVFDEFKPLVEEPQNLIKQNCELFEQLGEYKFQNALLVRYTKKVPQVSTPT
LVEVSRNLGKVGSKCCKHPEAKRMPCAEDYLSVVLNQLCVLHEKTPVSDRVTKCCTESLV
NRRPCFSALEVDETYVPKEFNAETFTFHADICTLSEKERQIKKQTALVELVKHKPKATKE
QLKAVMDDFAAFVEKCCKADDKETCFAEEGKKLVAASQAALG

Ligands and cofactors

IDNameFormulaCopies
MYRMyristic acidC14 H28 O215

Primary citation

Large-scale production of functional human serum albumin from transgenic rice seeds. He, Y., Ning, T., Xie, T. et al. Proc Natl Acad Sci U S A (2011) 108:19078-19083. DOI 10.1073/pnas.1109736108 · PubMed

Other PDB entries of the same protein (UniProt P02768 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 3SQJ directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.