5H8V: Sulfite reductase [ferredoxin], chloroplastic

Crystal structure of the complex between maize Sulfite Reductase and ferredoxin in the form-1 crystal. Determined by X-ray diffraction at 2.2 Å resolution. Released 13 Apr 2016.

Method
X-ray diffraction
Resolution
2.2 Å
Organism
Zea mays
Chains
2
Atoms
9,287
Mol. weight
132.98 kDa
Ligands
MG, PO4, SRM, SF4
Released
13 Apr 2016

Explore 5H8V in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

5H8V contains 71 α-helices and 58 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: 35 helices, 29 β-strands

ElementResiduesLengthSheet
α-helix66-727
α-helix81-844
α-helix94-1029
β-strand105-10951
β-strand119-12461
α-helix128-1303
β-strand131-13222
α-helix134-14714
β-strand152-15431
β-strand160-16561
α-helix167-1693
α-helix170-1789
β-strand19213
α-helix194-1952
β-strand19614
α-helix205-22016
α-helix227-2337
α-helix245-2528
β-strand27713
β-strand279-28354
β-strand28615
α-helix291-2933
β-strand296-30274
β-strand308-31584
β-strand31816
β-strand32217
β-strand32517
β-strand33116
α-helix332-3332
β-strand334-34074
α-helix341-3433
α-helix344-35815
α-helix364-3663
α-helix369-3768
α-helix378-38912
α-helix392-3932
β-strand39414
α-helix395-3984
α-helix400-4023
β-strand40315
β-strand409-41242
β-strand418-42252
α-helix4231
α-helix425-4273
β-strand428-42921
α-helix431-44313
β-strand448-45032
β-strand456-46162
α-helix463-4653
α-helix466-47510
α-helix481-4833
α-helix486-4905
β-strand492-49328
α-helix508-52518
β-strand535-53848
α-helix547-5493
β-strand552-55878
β-strand561-56668
β-strand577-58488
α-helix585-5873
α-helix588-60215
α-helix603-6042
α-helix609-6168
α-helix618-62710
Chain B: 36 helices, 29 β-strands
ElementResiduesLengthSheet
α-helix66-727
α-helix81-844
α-helix94-1007
α-helix101-1033
β-strand105-10959
β-strand119-12469
α-helix128-1303
β-strand131-132210
α-helix134-14714
β-strand152-15439
β-strand160-16569
α-helix167-1693
α-helix170-1789
β-strand192111
α-helix194-1952
β-strand196112
α-helix205-22016
α-helix227-2337
α-helix245-2528
β-strand277111
β-strand279-283512
β-strand286113
α-helix291-2933
β-strand296-302712
β-strand308-315812
β-strand318114
β-strand322115
β-strand325115
β-strand331114
α-helix332-3332
β-strand334-340712
α-helix341-3433
α-helix344-35815
α-helix364-3663
α-helix369-3768
α-helix378-38912
α-helix392-3932
β-strand394112
α-helix395-3984
α-helix400-4023
β-strand403113
β-strand409-412410
β-strand418-422510
α-helix4231
α-helix425-4273
β-strand428-42929
α-helix431-44313
β-strand448-450310
β-strand456-461610
α-helix463-4653
α-helix466-47510
α-helix481-4833
α-helix486-4905
β-strand492-493216
α-helix508-52518
β-strand535-538416
α-helix547-5493
β-strand552-558716
β-strand561-566616
β-strand577-584816
α-helix585-5873
α-helix588-60215
α-helix603-6042
α-helix609-6168
α-helix618-62710

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sulfite reductase [ferredoxin], chloroplasticA, Bprotein583Zea maysO23813 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>5H8V_1 Sulfite reductase [ferredoxin], chloroplastic (chains A, B)
APAKKDASEVKRSKVEIIKEKSNFLRYPLNEELVSEAPNINESAVQLIKFHGSYQQTDRD
VRGQKNYSFMLRTKNPCGKVPNQLYLAMDTLADEFGIGTLRLTTRQTFQLHGVLKKNLKT
VLSTVIKNMGSTLGACGDLNRNVLAPAAPYVKKDILFAQQTAENIAALLTPQSGAYYDLW
VDGEKIMSAEEPPEVTKARNDNSHGTNFPDSPEPIYGTQYLPRKFKVAVTAAGDNSVDIL
TNDIGVVVVSDDAGEPIGFNIYVGGGMGRTHRVETTFPRLADPLGYVPKEDILYAIKAIV
VTQRENGRRDDRKYSRMKYMIDRWGIDRFRAEVEKYYGKKFESFRPLPEWQFNSYLGWQE
QGDGKLFYGVHVDNGRVGGQAKKTLREIIEKYNLDVSITPNQNLILCGIDQAWREPITTA
LAQAGLLEPKDVDPLNLTAMACPALPLCPLAQTEAERGILPILKRIRAVFNKVGIKDSES
VVVRITGCPNGCARPYMAELGFVGDGPKSYQIWLGGTPNQSTLAESFMDKVKLDDIEKVL
EPLFTYWNGTRQEGESFGSFTNRTGFDKLKEVVNKWAESPSAA

Ligands and cofactors

IDNameFormulaCopies
MGMagnesium ionMg4
PO4Phosphate ionO4 P2
SRMSirohemeC42 H44 Fe N4 O162
SF4Iron/sulfur clusterFe4 S42

Primary citation

Structural and mutational studies of an electron transfer complex of maize sulfite reductase and ferredoxin. Kim, J.Y., Nakayama, M., Toyota, H. et al. J Biochem (2016) 160:101-109. DOI 10.1093/jb/mvw016 · PubMed

Other PDB entries of the same protein (UniProt O23813 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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