4PJU: Human Stromal Antigen 2

crystal structure of human Stromal Antigen 2 (SA2) in complex with Sister Chromatid Cohesion protein 1 (Scc1). Determined by X-ray diffraction at 3.05 Å resolution. Released 27 Aug 2014.

Method
X-ray diffraction
Resolution
3.05 Å
Organism
Homo sapiens
Chains
2
Atoms
7,931
Mol. weight
131.68 kDa
Released
27 Aug 2014

Explore 4PJU in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4PJU contains 60 α-helices and 8 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: 54 helices, 4 β-strands

ElementResiduesLengthSheet
α-helix84-907
α-helix95-10814
α-helix110-12314
α-helix133-1386
α-helix141-15010
α-helix166-18520
α-helix190-1923
α-helix196-20712
β-strand21211
α-helix213-25038
α-helix262-28827
α-helix289-2935
α-helix294-2963
β-strand29912
α-helix302-31817
α-helix320-3234
α-helix326-33510
α-helix341-35212
α-helix362-3709
α-helix372-3776
α-helix378-3803
β-strand38113
α-helix384-40017
α-helix407-4148
α-helix415-4184
β-strand41914
α-helix422-43615
α-helix458-47013
α-helix478-4836
α-helix489-4924
α-helix495-5039
α-helix515-53319
α-helix537-5382
α-helix550-57829
α-helix582-5898
α-helix591-5944
α-helix598-6003
α-helix606-62217
α-helix626-63914
α-helix647-67226
α-helix681-70020
α-helix709-72214
α-helix727-74620
α-helix757-77519
α-helix781-79717
α-helix811-8133
α-helix819-83214
α-helix855-87319
α-helix879-8824
α-helix883-8864
α-helix897-90812
α-helix912-93019
α-helix943-95614
α-helix968-98114
α-helix999-10035
α-helix1004-10063
α-helix1012-102211
α-helix1039-10468
Chain B: 6 helices, 4 β-strands
ElementResiduesLengthSheet
β-strand32611
β-strand33112
α-helix334-3429
α-helix345-3473
β-strand34813
β-strand35314
α-helix354-3552
α-helix358-3658
α-helix369-3724
α-helix383-3908

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Cohesin subunit SA-2Aprotein981Homo sapiensQ8N3U4 (AlphaFold model)
Double-strand-break repair protein rad21 homologBprotein140Homo sapiensO60216 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4PJU_1 Cohesin subunit SA-2 (chains A)
ENMMLFEVVKMGKSAMQSVVDDWIESYKHDRDIALLDLINFFIQCSGCKGVVTAEMFRHM
QNSEIIRKMTEEFDEDSGDYPLTMAGPQWKKFKSSFCEFIGVLVRQCQYSIIYDEYMMDT
VISLLTGLSDSQVRAFRHTSTLAAMKLMTALVNVALNLSINMDNTQRQYEAERNKMIGKR
ANERLELLLQKRKELQENQDEIENMMNAIFKGVFVHRYRDAIAEIRAICIEEIGIWMKMY
SDAFLNDSYLKYVGWTMHDKQGEVRLKCLTALQGLYYNKELNSKLELFTSRFKDRIVSMT
LDKEYDVAVQAIKLLTLVLQSSEEVLTAEDCENVYHLVYSAHRPVAVAAGEFLYKKLFSR
RDPEEDGMMKRRGRQGPNANLVKTLVFFFLESELHEHAAYLVDSMWDCATELLKDWECMN
SLLLEEPLSGEEALTDRQESALIEIMLCTIRQAAECHPPVGRGTGKRVLTAKEKKTQLDD
RTKITELFAVALPQLLAKYSVDAEKVTNLLQLPQYFDLEIYTTGRLEKHLDALLRQIRNI
VEKHTDTDVLEACSKTYHALCNEEFTIFNRVDISRSQLIDELADKFNRLLEDFLQEGEEP
DEDDAYQVLSTLKRITAFHNAHDLSKWDLFACNYKLLKTGIENGDMPEQIVIHALQCTHY
VILWQLAKITESSSTKEDLLRLKKQMRVFCQICQHYLTNVNTTVKEQAFTILCDILMIFS
HQIMSGGRDMLEPLVYTPDSSLQSELLSFILDHVFIEQDDDNNSADGQQEDEASKIEALH
KRRNLLAAFCKLIVYTVVEMNTAADIFKQYMKYYNDYGDIIKETMSKTRQIDKIQCAKTL
ILSLQQLFNEMIQENGYNFDRSSSTFSGIKELARRFALTFGLDQLKTREAIAMLHKDGIE
FAFKEPNPQGESHPPLNLAFLDILSEFSSKLLRQDKRTVYVYLEKFMTFQMSLRREDVWL
PLMSYRNSLLAGGDDDTMSVI
Sequence of entity 2 (B), FASTA
>4PJU_2 Double-strand-break repair protein rad21 homolog (chains B)
VDPVEPMPTMTDQTTLVPNEEEAFALEPIDITVKETKAKRKRKLIVDSVKELDSKTIRAQ
LSDYSDIVTTLDLAPPTKKLMMWKETGGVEKLFSLPAQPLWNNRLLKLFTRCLTPLVPED
LRKRRKGGEADNLDEFLKEF

Primary citation

Structure of cohesin subcomplex pinpoints direct shugoshin-Wapl antagonism in centromeric cohesion. Hara, K., Zheng, G., Qu, Q. et al. Nat Struct Mol Biol (2014) 21:864-870. DOI 10.1038/nsmb.2880 · PubMed

Other PDB entries of the same protein (UniProt Q8N3U4 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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