6HYC: Full-length human phenylalanine hydroxylase

The structure of full-length human phenylalanine hydroxylase in complex with the cofactor and negative regulator tetrahydrobiopterin. Determined by X-ray diffraction at 3.18 Å resolution. Released 5 Jun 2019.

Method
X-ray diffraction
Resolution
3.18 Å
Organism
Homo sapiens
Chains
4
Atoms
13,879
Mol. weight
208.44 kDa
Ligands
H4B
Released
5 Jun 2019

Explore 6HYC in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6HYC contains 98 α-helices and 68 β-strands across 4 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: 24 helices, 16 β-strands

ElementResiduesLengthSheet
β-strand35-3846
β-strand39-4247
α-helix47-5711
β-strand65-6957
β-strand76-8167
α-helix85-873
α-helix88-969
α-helix97-1026
β-strand107-11046
α-helix1171
β-strand118-11926
α-helix1201
β-strand12418
α-helix127-1293
α-helix152-16716
α-helix173-1764
α-helix181-20121
β-strand20219
α-helix204-21714
α-helix227-23812
β-strand241-244410
α-helix251-2599
β-strand262-265410
α-helix283-2853
α-helix286-2905
α-helix291-2944
α-helix297-31014
α-helix315-32511
α-helix326-3305
β-strand332-33659
β-strand339-34249
α-helix347-3493
α-helix351-3566
β-strand363-36649
α-helix369-3724
β-strand385-38959
α-helix392-40312
β-strand411-41558
β-strand420-42458
α-helix426-44823
Chain B: 24 helices, 17 β-strands
ElementResiduesLengthSheet
β-strand35-38417
β-strand39-42418
α-helix47-5711
β-strand65-69518
β-strand76-81618
β-strand83117
α-helix85-873
α-helix88-969
α-helix97-1026
β-strand107-110417
β-strand118-119217
α-helix1201
β-strand124119
α-helix127-1293
α-helix152-16716
α-helix173-1764
α-helix181-20121
β-strand202120
α-helix204-21310
α-helix214-2185
α-helix224-2263
α-helix227-23812
β-strand241-244421
α-helix251-2599
β-strand262-265421
α-helix283-2853
α-helix286-2905
α-helix291-2955
α-helix297-31014
α-helix315-32511
α-helix326-3305
β-strand332-336520
β-strand339-342420
α-helix351-3577
β-strand363-366420
α-helix369-3724
β-strand385-389520
α-helix392-40312
β-strand411-415519
β-strand420-424519
α-helix426-44722
Chain C: 23 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand35-38411
β-strand39-42412
α-helix47-5711
β-strand65-69512
β-strand76-81612
β-strand83111
α-helix85-873
α-helix88-969
α-helix97-1026
β-strand107-110411
β-strand118-119211
α-helix1201
β-strand124113
α-helix127-1293
β-strand135114
α-helix152-16716
α-helix181-20121
β-strand202115
α-helix204-2074
α-helix209-2135
α-helix214-2185
α-helix227-23812
β-strand241-244416
β-strand249114
α-helix251-2599
β-strand262-265416
α-helix283-2853
α-helix286-2905
α-helix291-2944
α-helix297-31014
α-helix315-32511
α-helix326-3305
β-strand332-336515
β-strand339-342415
α-helix351-3577
β-strand363-366415
α-helix369-3724
β-strand385-389515
α-helix392-40312
β-strand411-415513
β-strand420-424513
α-helix426-44722
Chain D: 27 helices, 16 β-strands
ElementResiduesLengthSheet
β-strand35-3841
β-strand39-4242
α-helix47-5711
β-strand65-6952
β-strand76-8162
α-helix85-873
α-helix88-969
α-helix97-1026
β-strand107-11041
α-helix1171
β-strand118-11921
α-helix1201
β-strand12413
α-helix127-1293
α-helix152-16716
α-helix173-1764
α-helix178-1803
α-helix181-19818
β-strand20214
α-helix204-21714
α-helix224-2263
α-helix227-23711
β-strand241-24445
α-helix248-2503
α-helix251-2599
β-strand262-26545
α-helix283-2842
α-helix285-2906
α-helix291-2944
α-helix297-31014
α-helix315-32511
α-helix326-3305
β-strand332-33654
β-strand339-34244
α-helix351-3588
β-strand363-36644
α-helix369-3724
α-helix382-3832
β-strand385-38954
α-helix392-40312
β-strand411-41553
β-strand420-42453
α-helix426-44722

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Phenylalanine-4-hydroxylaseA, B, C, Dprotein452Homo sapiensP00439 (AlphaFold model)
Sequence of entity 1 (A, B, C, D), FASTA
>6HYC_1 Phenylalanine-4-hydroxylase (chains A, B, C, D)
MSTAVLENPGLGRKLSDFGQETSYIEDNCNQNGAISLIFSLKEEVGALAKVLRLFEENDV
NLTHIESRPSRLKKDEYEFFTHLDKRSLPALTNIIKILRHDIGATVHELSRDKKKDTVPW
FPRTIQELDRFANQILSYGAELDADHPGFKDPVYRARRKQFADIAYNYRHGQPIPRVEYM
EEEKKTWGTVFKTLKSLYKTHACYEYNHIFPLLEKYCGFHEDNIPQLEDVSQFLQTCTGF
RLRPVAGLLSSRDFLGGLAFRVFHCTQYIRHGSKPMYTPEPDICHELLGHVPLFSDRSFA
QFSQEIGLASLGAPDEYIEKLATIYWFTVEFGLCKQGDSIKAYGAGLLSSFGELQYCLSE
KPKLLPLELEKTAIQNYTVTEFQPLYYVAESFNDAKEKVRNFAATIPRPFSVRYDPYTQR
IEVLDNTQQLKILADSINSEIGILCSALQKIK

Ligands and cofactors

IDNameFormulaCopies
H4B5,6,7,8-tetrahydrobiopterinC9 H15 N5 O33

Primary citation

Structure of full-length human phenylalanine hydroxylase in complex with tetrahydrobiopterin. Flydal, M.I., Alcorlo-Pages, M., Johannessen, F.G. et al. Proc Natl Acad Sci U S A (2019) 116:11229-11234. DOI 10.1073/pnas.1902639116 · PubMed

Other PDB entries of the same protein (UniProt P00439 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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