4HOM: Porcine aminopeptidase-N

Crystal structure of porcine aminopeptidase-N complexed with substance P. Determined by X-ray diffraction at 1.9 Å resolution. Released 31 Oct 2012.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
Sus scrofa
Chains
2
Atoms
9,093
Mol. weight
109.81 kDa
Ligands
ZN, NAG
Released
31 Oct 2012

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

Secondary structure: helices and β-sheets

4HOM contains 49 α-helices and 38 β-strands across 1 chain. 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: 49 helices, 38 β-strands

ElementResiduesLengthSheet
α-helix66-683
α-helix72-732
β-strand76-87121
β-strand98-109121
β-strand113-11972
β-strand124-12521
β-strand133-13641
α-helix143-1442
β-strand145-15172
β-strand156-165102
β-strand170-180111
β-strand187-19593
β-strand198-20693
α-helix212-2143
β-strand21812
β-strand22614
β-strand227-23591
β-strand239-24243
β-strand24615
β-strand251-25221
β-strand259-26351
β-strand26415
α-helix265-2684
β-strand27014
α-helix272-2743
β-strand277-28043
β-strand283-28866
β-strand294-29966
α-helix301-3055
α-helix310-32617
β-strand335-34176
β-strand348-34926
β-strand354-35856
α-helix359-3624
α-helix371-38616
β-strand39017
β-strand39417
β-strand395-39628
α-helix399-4013
α-helix402-42019
α-helix426-4294
α-helix4301
α-helix431-4355
α-helix436-4427
α-helix454-4563
α-helix460-4645
α-helix4691
α-helix470-4745
α-helix475-48612
α-helix488-50215
β-strand506-50728
α-helix509-52113
α-helix532-5409
β-strand546-55169
β-strand556-56169
α-helix568-5703
β-strand582-584310
β-strand586-588311
β-strand591-592211
α-helix593-5953
β-strand596-598310
β-strand603-60539
α-helix607-6093
β-strand617-619311
α-helix621-6233
β-strand628-63149
α-helix633-64513
α-helix647-6493
α-helix652-66716
α-helix673-6786
α-helix681-6855
α-helix689-70618
α-helix712-73322
α-helix744-75916
α-helix763-77816
α-helix787-7893
α-helix790-80011
α-helix803-81513
α-helix819-82911
α-helix835-8428
α-helix853-8553
α-helix856-86510
α-helix869-87911
α-helix895-9039
α-helix909-91911
α-helix928-9303
α-helix933-96230

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Aminopeptidase NAprotein908Sus scrofaP15145 (AlphaFold model)
substance PBprotein11P20366 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>4HOM_1 Aminopeptidase N (chains A)
QSKPWNRYRLPTTLLPDSYNVTLRPYLTPNADGLYIFKGKSIVRFLCQEPTDVIIIHSKK
LNYTTQGHMVVLRGVGDSQVPEIDRTELVELTEYLVVHLKGSLQPGHMYEMESEFQGELA
DDLAGFYRSEYMEGNVKKVLATTQMQSTDARKSFPCFDEPAMKATFNITLIHPNNLTALS
NMPPKGSSTPLAEDPNWSVTEFETTPVMSTYLLAYIVSEFQSVNETAQNGVLIRIWARPN
AIAEGHGMYALNVTGPILNFFANHYNTSYPLPKSDQIALPDFNAGAMENWGLVTYRENAL
LFDPQSSSISNKERVVTVIAHELAHQWFGNLVTLAWWNDLWLNEGFASYVEYLGADHAEP
TWNLKDLIVPGDVYRVMAVDALASSHPLTTPAEEVNTPAQISEMFDSISYSKGASVIRML
SNFLTEDLFKEGLASYLHAFAYQNTTYLDLWEHLQKAVDAQTSIRLPDTVRAIMDRWTLQ
MGFPVITVDTKTGNISQKHFLLDSESNVTRSSAFDYLWIVPISSIKNGVMQDHYWLRDVS
QAQNDLFKTASDDWVLLNVNVTGYFQVNYDEDNWRMIQHQLQTNLSVIPVINRAQVIYDS
FNLATAHMVPVTLALDNTLFLNGEKEYMPWQAALSSLSYFSLMFDRSEVYGPMKKYLRKQ
VEPLFQHFETLTKNWTERPENLMDQYSEINAISTACSNGLPQCENLAKTLFDQWMSDPEN
NPIHPNLRSTIYCNAIAQGGQDQWDFAWGQLQQAQLVNEADKLRSALACSNEVWLLNRYL
GYTLNPDLIRKQDATSTINSIASNVIGQPLAWDFVQSNWKKLFQDYGGGSFSFSNLIQGV
TRRFSSEFELQQLEQFKKNNMDVGFGSGTRALEQALEKTKANIKWVKENKEVVLNWFIEH
SSHHHHHH
Sequence of entity 2 (B), FASTA
>4HOM_2 substance P (chains B)
RPKPQQFFGLM

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O62

Primary citation

Structural basis for multifunctional roles of mammalian aminopeptidase N. Chen, L., Lin, Y.L., Peng, G. et al. Proc Natl Acad Sci U S A (2012) 109:17966-17971. DOI 10.1073/pnas.1210123109 · PubMed

Other PDB entries of the same protein (UniProt P15145 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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